基本释义:
英 [ˌʌnˈnəʊn]美 [ˌʌnˈnoʊn]
复数 unknowns
词典扩展 短语搭配 权威例句 实用例句
An unknown number of demonstrators were arrested.
不知多少示威者被逮捕了。
The motive for the killing is unknown.
杀人的动机不明。
The length of the war is one of the biggest unknowns.
战争的持续时间是其中一个最大的未知数。
...the tomb of the unknown soldier.
…那名无名士兵的墓。
He was an unknown writer.
他是个没有名气的作家。
Within a short space of time a group of complete unknowns had established a wholly original form of humour.
在短短的一段时间内,一群完全不为人知的人已始创了一种新式幽默。
A hundred years ago coronary heart disease was virtually unknown in America.
100年前,冠心病在美国几乎从未有过。
Ignorance of people brings fear, fear of the unknown.
人的无知带来了恐惧,对未知事物的恐惧。
adj.[数]未知的;陌生的,默默无闻的
n.[数]未知数;未知的事物,默默无闻的人
1. unknown soldier (美)阵亡的无名英雄
2. Unknown Device Identifier 硬件精灵 ; 精灵 ; 欢绮剧伒 ; 未知设备分析器
3. Unknown Pleasures 任逍遥 ; 橡皮人
4. Letter From An Unknown Woman 一个陌生女人的来信 ; 一个生疏女人的来信 ; 一个生疏男子的来信 ; 巫山云
5. unknown device 未知设备 ; 未知装备 ; 无法识别的设备 ; 未知的设备
6. unknown number 未知数
7. Action - Unknown 不明身份 ; 无名杀机 ; 狙击陌生人 ; 未知白人男性
8. Tomb of the Unknown Soldier 无名冢 ; 无名战士纪念碑 ; 无名烈士墓 ; 无名战士墓
9. name unknown 无名 ; 净值 ; 船名不详 ; 名称不详
10. Persons Unknown 陌客 ; 神机暗算 ; 无处藏身
11. fever of unknown origin 无明显病因的发烧
12. The Unknown Soldier 无名战士 ; 不知名的士兵 ; 无名战死
1. This media contains an unknown data format and cannot be logged.
该媒体包含未知数据格式,无法记录.《期刊摘选》
2. We use x as the symbol for an unknown quantity.
我们用x表示一个未知数.《辞典例句》
3. Thanks to the automobile, Americans soon had a freedom of movement previously unknown.
由于有了汽车,美国人很快就获得了前所未有的行动自由。《牛津词典》
4. Luckily, our brains become stronger when meeting the unknown.
幸运的是,我们的大脑在遇到未知事物时变得更加强大。
5. Once more he's making a leap into the unknown without a plan.
他再次毫无计划地乱闯。《柯林斯高阶英汉双解学习词典》
6. Ignorance of people brings fear, fear of the unknown.
人的无知带来了恐惧,对未知事物的恐惧。《柯林斯英汉双解大词典》
7. In a world unknown to him, he is eager to prove he will be the king.
在未知的世界里, 他渴望证明自己是王的未来!《期刊摘选》
8. To her the outside world was a totally unknown quantity.
对她来说,外部世界完全是个未知数.《简明英汉词典》
9. X and Y in the equation are both unknowns.
等式中的X和Y都是未知数。《牛津词典》
10. The immediate cause of death is unknown.
造成死亡的直接原因不明。《牛津词典》
11. A young unknown played the leading role.
演主角的是一个名不见经传的年轻人。《牛津词典》
12. S: The equality contains unknown numbers.
生: 含有未知数的等式叫方程.《期刊摘选》
13. There are also plenty of unknowns.
现在还都是未知数.《期刊摘选》
14. These are the constant, never - ending, unknown, hidden variables that are always operating in every market - always!
在任何市场,这些持续的 、 永无止境的 、 未知的 、 隐藏的变数总是存在!《期刊摘选》
15. Fate is unknown, love is a mysterious number.
交友宣言命运是一个未知数, 爱情是一个神秘数.《期刊摘选》
16. There are still are lot of unknowns, but it is more clear.
虽然仍存在许多未知数, 但情况已经更加明确了.《期刊摘选》
17. It is not unknown for valuable display items to go, ahem, missing.
贵重的展品,呃哼,丢失的话,会众人皆知。《柯林斯高阶英汉双解学习词典》
18. Scientists and mystics alike thrill to the idea of some great unknown.
科学家与神秘主义者对未知的事物一样惊恐地发抖.《期刊摘选》
19. I think maybe it's because death is unknown to us and we cannot foresee its coming.
我觉得吧,因为死亡对于我们是未知数,我们无可预料它的到来.《期刊摘选》
20. an unknown actor
没有名气的演员《牛津词典》
21. It is related to it in some direct but unknown fashion.
它们之间有某种直接的但是形式未知的关系.《辞典例句》
22. It urges us to explore the unknown domain of the universe.
它促使我们去探索宇宙的未知领域。
23. An unknown number of demonstrators were arrested...
有数目不详的示威者遭到了逮捕。《柯林斯高阶英语词典》
24. It is unknown whether the company will lay off one third of the employees.
该公司是否要裁掉三分之一的员工还是未知的.《期刊摘选》
25. a fear of the unknown
对未知事物的恐惧《牛津词典》
26. There are many unknown things in the natural world waiting for us to explore.
自然界有很多未知的事物等着我们去探寻.《期刊摘选》
27. The actual cause of this quake is still unknown.
这次地震的真正原因仍不清楚。《外研社英语同义词辨析词典》
28. The thrill of the unknown could not be recaptured.
未知数引起的激动情绪是不可能再有了.《辞典例句》
29. Unknown to me, he had already signed the agreement.
他背着我已签了协议。《牛津词典》
30. The author is virtually unknown outside Poland.
在波兰以外,这位作者实际上鲜为人知。《牛津词典》
31. The letter had come from an unknown mischief-maker.
这封信来自一个匿名的离间者。《柯林斯英汉双解大词典》
32. Unknown attackers riddled two homes with gunfire.
不明来路的袭击者用枪把两座房屋打得千疮百孔。《柯林斯英汉双解大词典》
33. Observe the unknown around you.
观察你周围的未知事物。
34. A hundred years ago coronary heart disease was virtually unknown in Europe and America.
在100年前冠心病几乎不存在于欧洲和美洲。《柯林斯高阶英语词典》
35. Mere amateurs in 2009 will make ornithological history in China by discovering birds unknown to science.
在即将来临的2009年里,中国鸟类学史大概会由不打眼的业余人士通过发现未知的鸟类而刷新.《期刊摘选》
36. The condition is practically unknown outside psychiatry clinics.
除了医院的精神病科外,这种病几乎不为人知。《柯林斯高阶英汉双解学习词典》
37. The consequence is unknown whereas I would like to enjoy the process alone just for you.
尽管结果是未知的但是我愿意独自享受等你的过程.《期刊摘选》
38. The outcome of their discussion is still unknown.
他们讨论的结果仍然不清楚.《现代英汉综合大词典》
39. While the unknown was exhilarating and freeing, it was also foreign and unprotected.
当未知数是兴奋和释放时, 它也是外国和无保护的.《期刊摘选》
40. In algebra, the sign x usually denote an unknown quantity.
在代数中, x符号通常代表一未知的量.《期刊摘选》
41. In Juan's world, the unknown and undiscovered was vast and marvelous.
在 Juan 的世界里,未知和未被发现的东西是广阔而不可思议的。
42. We both had that same mix of curiosity and fear of all things unknown to us.
我们对所有未知的事物都会感到好奇和害怕.《期刊摘选》
43. He is an unknown quantity for his rivals.
对于对手们而言,他是个未知数。《柯林斯高阶英汉双解学习词典》
44. He was an unknown writer.
他是个没有名气的作家。《柯林斯英汉双解大词典》
45. The motive for the killing is unknown.
杀人的动机不明。《柯林斯英汉双解大词典》
46. We bought a drawing by an unknown artist.
我们买了一幅某个不出名的画家所作的画.《辞典例句》
47. How to solve this problem is still unknown.
如何解决这个问题仍旧是未知数.《期刊摘选》
48. Do you have an action to address each negative or unknown on the Opportunities Assessment?
在评估机会时你是否充分考虑了消极的或未知的因素?《期刊摘选》
49. Exactly which bacteria cause the infection is still unknown.
到底是什么细菌引起的感染还不清楚。《柯林斯高阶英汉双解学习词典》
50. And they feel that unknown dangers in the business world threaten the survival of businessestheir business.
他们觉得生意场上未知的危险威胁着他们事业的生存.《期刊摘选》
51. Those who dared to launch out beyond the unknown waters became the discoverers of new lands.
那些敢于去人迹未至的海域航行的人成了新陆地的发现者.《简明英汉词典》
52. The disease is as yet unknown in Europe (= there have been no cases there) .
这种疾病至今尚未在欧洲出现过。《牛津词典》
53. Whether do we walk together or a question mark, the unknown?
我们能否走到一起还是一个问号, 未知数?《期刊摘选》
54. I remember the fear and the panic of the unknown.
我记得那种对未知的恐慌感。
55. Unknown thieves had forced their way into the apartment...
不知名的窃贼破门闯入了公寓。《柯林斯高阶英语词典》
56. The painting was ascribed to an unknown artist.
那幅画被认定系一不出名的画家所作.《辞典例句》
57. Those are the unknown quantities.
那些全是未知数.《期刊摘选》
58. In Hollywood, there are many relatively unknown siblings of famous stars.
在好莱坞, 许多知名影星有较不出名的兄弟姐妹.《常春藤生活英语杂志-2006年4月号》
59. Any flight test and wind tunnel correlation always suffers from a great number of unknowns.
在对飞行试验与风洞试验进行比较时总有大量的未知数.《辞典例句》
60. And breed place or unknown.
而养殖地点还是未知数.《期刊摘选》
61. It's dark and unknown.
它黑暗而未知。
62. Unknown logo service error. Please try downloading later.
未知的徽标服务错误. 请稍后重试下载.《期刊摘选》
63. He was an unknown novelist then.
当时他是位不出名的小说家.《辞典例句》
64. The fate of the three men is unknown.
这三个人命运未卜。《牛津词典》
65. The media. INI file refers to an unknown device type.
媒体 INI 文件提供了一个未知的驱动器类型.《期刊摘选》
66. They attacked what was unknown, in order to make it known.
他们钻研未知的东西, 以便变不知为已知.《辞典例句》
67. An unknown number of demonstrators were arrested.
不知多少示威者被逮捕了。《柯林斯英汉双解大词典》
68. ...a popular environment where both established and unknown artists can meet, talk and drink.
成名和未成名的艺术家都可以聚会、聊天及喝酒的一处热门场所《柯林斯高阶英语词典》
69. Within Locale II frontiers are unknown.
在现场II,边界是未知的.《期刊摘选》
70. A previously unknown extremist group has said it carried out Friday's bomb attack.
一个先前未知的极端分子组织声称其实施了周五的炸弹袭击。《柯林斯英汉双解大词典》
71. He was trying, for some unknown reason, to count the stars.
不知何故,他试图数星星。《牛津高阶英汉双解词典》
72. The unknowns in the equations are the values of the dependent variables at the node.
方程中的未知数是结点上因变量的值.《辞典例句》
73. The contract was awarded to a previously unknown company
合同签给了一个之前并不知名的公司。《柯林斯高阶英汉双解学习词典》
74. Its greater part is unknown to me.
它的大部分对我是未知的.《期刊摘选》
75. The number of persons harbouring latent infections is unknown ( and likely unknowable at present ), they add.
处于潜伏感染期的病人的数量还是未知的 ( 在目前很可能是不可能知道的 ).《期刊摘选》
76. The sign X stands for an unknown number.
符号X表示一个未知数.《辞典例句》
77. X represents the unknown . X.
表示未知数.《期刊摘选》
78. How did you expect us to proceed on such a perilous expedition, through unknown terrain...
你怎么能指望我们如此冒险地穿越未知的地域,继续这一探险?《柯林斯高阶英语词典》
79. A hundred years ago coronary heart disease was virtually unknown in America.
100年前,冠心病在美国几乎从未有过。《柯林斯英汉双解大词典》
80. The man's identity remains unknown.
这名男子的身份还是个谜。《牛津词典》
81. I could not understand how someone with so many awards could be unknown to me.
我想不通自己竟然不认识获了这么多奖的人。《柯林斯高阶英语词典》
82. a journey into the unknown
探险之旅《牛津词典》
83. The effect of hypothermia therapy in infants and children with cardiac arrest is unknown.
在婴儿和儿童发生心脏骤停时低温治疗的作用还是一个未知数.《期刊摘选》
84. Unknown to me, he had already signed the agreement.
他背着我已签了协议。《牛津词典》
85. An unknown number of demonstrators were arrested
有数目不详的示威者遭到了逮捕。《柯林斯高阶英汉双解学习词典》
86. They both drop names of unknown little people they thought made them sound like nice guys.
他们两个随意讲聘些不出名的人的名字,他们认为这样听起来更象好人.《期刊摘选》
87. The timing of the attack, and its motivations, are unknown.
袭击发生的时间及其动机尚不清楚。《柯林斯高阶英汉双解学习词典》
88. The verdict was murder by a person or persons unknown.
裁断是一人或多人谋杀,凶手身份未明。《牛津词典》
89. My husband, for some unknown reason, suggested that I loved my birds more than him: as if I would
我丈夫,莫名其妙地,暗示我爱鸟甚于爱他:仿佛我真如此似的。《柯林斯高阶英汉双解学习词典》
90. The scientist was faced with many unknown factors.
那个科学家面临许多未知数.《简明英汉词典》
91. The author does imply this by talking about unknown species.
作者确实通过谈论未知物种暗示了这一点。
92. Matter is an unknown somewhat.
物质是某种不明的东西.《现代英汉综合大词典》
93. Bass may have perished there after years of wearisome and unknown labour.
男低音也许是在多年的劳累和默默无闻的劳动之后,才在那里绝迹的。
94. The exact location of the plane crash is still unknown.
飞机失事的确切位置还不清楚。《外研社英语同义词辨析词典》
95. She had known Max for some years now, but he was still pretty much an unknown quantity.
她现在认识马克斯也好几年了,但是他仍然是个大大的未知数。《柯林斯英汉双解大词典》
96. The authorship of the poem is unknown.
这首诗的作者不详。《牛津词典》
97. Death opens a door of the unknown.
死亡打开未知的事物的门.《期刊摘选》
98. Logon failure: unknown user name or bad password.
登录失败: 未知的用户名或错误密码.《期刊摘选》
99. I don't know what the new man will do; he's still an unknown quantity.
我不知道那个新来的会怎么做, 他的人怎样仍然是个未知数.《期刊摘选》
100. The future is an unknown figure but we can affirm that it gives us countless hopes.
未来是个未知数,但是可以肯定的是,过去给了我们无穷的希望.《期刊摘选》
101. He was trying, for some unknown reason , to count the stars.
不知何故,他试图数星星。《牛津词典》
102. He then settled in Steubenville, Ohio and began to study art under an unknown mentor.
然后,他定居在斯托本维尔, 俄亥俄州,并开始学习艺术下一个未知的导师.《期刊摘选》
103. With so many unknowns, it's easy to let one's imagination filling the blanks
这么多的未知数很容易让一个人的想象力 “ 填入答案 ”《期刊摘选》
104. His whereabouts have been utterly unknown so far.
迄今他的下落全然未知。《新英汉大辞典》
105. a species of insect previously unknown to science
科学上以前尚未了解的一种昆虫《牛津词典》
106. His whereabouts are/ is still unknown.
他仍下落不明。《牛津高阶英汉双解词典》
107. Unknown thieves had forced their way into the apartment
不知名的窃贼破门闯入了公寓。《柯林斯高阶英汉双解学习词典》
108. Unknown headend service error. Please try downloading later.
未知的数据头端服务错误. 请稍后重试下载.《期刊摘选》
109. How did you expect us to proceed on such a perilous expedition, through unknown terrain
你怎么能指望我们如此冒险地穿越未知的地域,继续这一探险?《柯林斯高阶英汉双解学习词典》
110. Let us compare our unknown analog input signal to a guess .
现将一个未知的模拟输入信号同一个假定值进行比较.《辞典例句》
111. The disease is as yet unknown in Europe.
这种疾病至今尚未在欧洲出现过。《牛津高阶英汉双解词典》
112. There are so many unknowns in the proposal.
这项提案中的未知数太多了。《牛津词典》
113. According to Leslie, those who ridiculed former Defense Secretary Donald Rumsfeld for his 2002 remark that we have to be wary of the "unknown unknowns" were mistaken.
莱斯利认为,前国防部长唐纳德·拉姆斯菲尔德在2002年说,我们要警惕那些“未知的未知”,那些因此而嘲笑他的人是错误的。《四级真题- 2017年 12月 3卷 信息匹配》
114. It was not unknown for people to have to wait several hours (= it happened sometimes) .
人们得等几个小时的事时有发生。《牛津词典》
115. An unknown error has occurred.
出现了未知的错误.《期刊摘选》
116. But whether this affects cancer risk is unknown.
但是这时候会影响到癌症的危险性还是一个未知数.《期刊摘选》
117. People usually infer an unknown fact from a known fact.
人们通常从已知的事实中推断未知的事实.《简明英汉词典》
118. Unknown attackers riddled two homes with gunfire
来路不明的袭击者用枪炮将两处住宅打得千疮百孔。《柯林斯高阶英汉双解学习词典》
119. The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
在对组织样本进行了基因分析后,这位科学家确认这种蛇是一个之前未知的物种。《17年6月四级真题(第二套)| 听力》
120. Motherhood was for her a journey into the unknown.
做母亲当时对她来说是开始一次探险之旅.《简明英汉词典》
121. It was like a single equation with two unknowns.
这挺像两个未知数组成了个简单方程.《英汉文学》
122. Retailers are taking no chances on unknown brands.
零售商们不在无名品牌上冒险。《柯林斯英汉双解大词典》
123. Intend to become conscious of that which is unknown to oneself.
意愿去意识到未知的自己.《期刊摘选》
124. According to the resolutions, and screen wall propomon network walls is unknown.
不梢据线数, 闭口与网墙比例,网墙的厚度是不未知的.《期刊摘选》
125. The contract was awarded to a previously unknown company.
该合同给了一家先前不知名的公司。《柯林斯英汉双解大词典》
126. Canada presently stores its nuclear waste in underwater tanks, with the term effects largely unknown.
加拿大目前把它的核废料储藏在水下的大罐里, 其长期效果在很大程度上仍是个未知数.《期刊摘选》
127. While it will reminder of the unknowns before refusing, so don not about your useful files!
虽然这将提醒人们,在拒绝未知数, 所以不要担心你的有用的文件!《期刊摘选》
128. Or drift into the unknown.
或漂流到未知的远方?《期刊摘选》
129. And they feel that unknown dangers in the business world threaten the survival of their business.
他们也会觉得商海中那未知的危险会威胁到他们的事业的生存.《期刊摘选》
130. If the routing flag is SLS _ RTG, then the alternate linkset must be unknown.
如果路由标志是SLS_RTG, 则交替链路群必须是未知的.《期刊摘选》
1. It is unknown whether a judge or a grand jury signed off on the subpoenas.
WSJ: Gov't probe obtains wide swath of AP phone records
2. I could take an unknown gas and put it in and measure it and then say, wow, those are the lines that are characteristic of sodium.
我取一种未知气体,把它放到管里,然后检测它,哇,这些线是钠的特征。固态化学导论课程节选 : 麻省理工公开课
3. That in the matter of honor these men practice delicacies and refinements unknown in the North.
他们对于荣誉有着雅致,而高尚的追求,这是北方人难以企及的美国内战与重建课程节选 : 耶鲁公开课
4. For reasons unknown, big bluefin started showing up in numbers off North Carolina about eight years ago.
FORBES: The Young Man And the Sea
5. In some cultures, black is even guilty of the professing the beyond and unknown.
FORBES: The Capitalist Touch: YSL Black -The Equilibrium Of The Universe
6. Hawk, a 31-year-old wholesome-looking father of two, was virtually unknown outside the skateboarding world three years ago.
FORBES: Later, Skater
7. If you do that, you will find there is one unknown, which is v0, and we can solve for v0.
这样就只剩下一个未知量了,也就是 v0,我们就能解出 v0基础物理课程节选 : 耶鲁公开课
8. If hoarseness continues or the cause is unknown, doctors should perform an examination called a laryngoscopy.
VOA : special.2009.09.02
9. The Republicans, for some unknown reason, decided to pass on fully emulating that system year.
FORBES: Obama's Not-So-Secret Weapon: Will He Use It to Help Power His New Mandate?
10. By the time we got back, we were enjoying the exhilaration of having glimpsed the unknown.
BBC: Following Graham Greene to Liberia's sacred waterfall
11. That put us at, sort of, organization on the data entry that was unknown.
这有点像是,组织我们进行某种资料登录。金融市场课程节选 : 耶鲁公开课
12. The face-lift analogy works here because VWO is by no means a young, unknown prospect.
FORBES: Emerging Market Flavors Taste Differently At Schwab, Vanguard, iShares
13. Not so lucky were the shipwrecked crew of an unknown vessel washed up in 1860.
BBC: The ghostly shore of Namibias Skeleton Coast
14. It is character--a stick-to-itiveness and a willingness to take risks, to take leaps into the unknown.
FORBES: THE EVIL THAT STRUCK US
15. Huawei, the telecoms infrastructure giant - virtually unknown as a phone brand in many parts of the world.
BBC: Huawei, Blackberry - and the battle for third place
16. The anti-flush drug, they argued, is untested, and its potential cardiovascular effects are unknown.
FORBES: Magazine Article
17. And the strong man, still holding the small child, drifted away on the shadowy river that flows forever to the unknown sea.
VOA : special.2009.06.06
18. That's how by either balancing the unknown force with a known force or by simply measuring the acceleration as I fall towards this podium and multiplying by mass, you can find the force that exerts on me.
我们既可以让未知力与已知力平衡,也可以只测量我冲向讲台时加速度的大小,再与我的质量相乘,都能求出作用在我身上的力的大小基础物理课程节选 : 耶鲁公开课
19. Its precise chemical properties are unknown.
其确切的化学特性未知。
20. Ed White would leave the protection of the spacecraft and move out into the unknown emptiness of space.
VOA : special.2009.06.24
21. - "She lived unknown and few could know"-- how can she be unknown if few know anything about her?
她不为人知地活着,鲜有人知道她“,如果有任何人知道关于她的任何事情,又怎么能说他不为人知呢?文学理论导论课程节选 : 耶鲁公开课
22. America has been in a kind of limbo while the identity of the bombers was unknown.
BBC: Questions begin for FBI over Boston
23. Still, if the Microsoft analogy reveals anything about Orchid's chances, it's the importance of the unknown.
FORBES: Orchid Biosciences Not Yet In The Black
24. Hyde's whereabouts were unknown.
海德下落不明。
25. Prince's men had apparently made the CIA happy, providing static security and performing unknown other tasks.
CNN: Excerpt: Inside Blackwater's mission in Afghanistan
26. Not only did the always interesting Lady Gaga show up inside a large egg-like structure, but unknown artists also won top prizes.
VOA : special.2011.02.18
27. Then on April thirtieth, two thousand seven,a huge fire of unknown cause almost completely destroyed South Hall.
VOA : special.2009.08.21
28. The ability of the country to provide and administer basic government functions is also unknown.
FORBES: How A Libyan No-Fly Zone Could Backfire
29. The exact cause is unknown. But in a recent study, an experimental drug showed signs of halting the disorder in laboratory mice.
VOA : special.2010.05.19
30. In the same sense, the casualties caused by the no-fly zone would be unknown.
FORBES: How A Libyan No-Fly Zone Could Backfire
31. A kind of a pin used to hold your cloak together, called a fibula, unknown in the previous period.
一种别住披风的别针,称之为扣针,这在之前的时期从未出现过古希腊历史简介课程节选 : 耶鲁公开课
32. Their ancient languages contain a great deal of information about environmental systems and species of plants and animals that are unknown to scientists.
VOA : special.2009.12.02
33. I've set these two things equal to each other: I've got one equation and one unknown.
我让两个方程相等,只剩下了一个等式和一个未知数博弈论课程节选 : 耶鲁公开课
34. And each query is met with the same guarded response: That's the great unknown.
CNN: SHARE THIS
35. Well let's talk about some mechanisms for using this and I'll start with a simple example of how one can detect a gene in a fluid, in a blood sample for example, where that gene is unknown.
我们来说说这项技术在实际应用中的机制,先从一个简单例子着手,如何在一个血样中,侦测是否存在某段基因序列,某段未知基因序列生物医学工程探索课程节选 : 耶鲁公开课
36. Beware friend requests from unknown hotties who have lots of friends in common with you.
FORBES: Facebook Warnings!
37. Platinum was unknown until the Spanish came to South America.
铂被人所知,是直到西班牙进入南美洲之后。固态化学导论课程节选 : 麻省理工公开课
38. The expression probably began because the jungle is filled with wild animals and unknown dangers that threaten people.
VOA : special.2010.05.16
39. McCain has taken a huge gamble by tapping the unknown, largely untested governor of Alaska.
CNN: Analysis: Four things McCain needs to accomplish this week
40. She died in eighteen eighty-six, at the age of fifty-five, completely unknown to the world.
VOA : special.2010.07.18
41. Another was with Deutsche Bank and another with a bank as yet unknown.
FORBES: This Is One Way To Kill The European Banking System: Monte Dei Paschi And Nomura
42. Hope speaks to the unknown and it is always the challenger who represents the unknown.
FORBES: Voter Enthusiasm Gap The Real Challenge To Obama Re-Election
43. So an astronaut on the flight of Gemini Four, Ed White,took that first frightening step into the unknown.
VOA : special.2009.07.01
44. You can use PCR for fingerprinting as well, for looking in some unknown fluid for example, is a gene that I'm interested in there?
也可以用PCR做生物指纹鉴定,比如在一个未知溶液样本中,里面是不是有我感兴趣的那段基因呢生物医学工程探索课程节选 : 耶鲁公开课
45. Holy Peter holy Allen holy Solomon holy Lucien holy Kerouac holy Huncke holy Burroughs holy Cassady holy the unknown buggered and suffering beggar holy the hideous human angels!
神圣的彼得神圣的艾伦神圣的所罗门吕西安凯鲁雅克,神圣的汉克神圣的宝来神圣的凯萨迪神圣未知的同性恋,受苦的乞丐神圣丑恶的人类天使!1945年后的美国小说课程节选 : 耶鲁公开课
46. But what came over more than anything was a frustration that so much is unknown.
BBC: Obama's cautious approach on Boston
47. The song is about driving by yourself at night into the unknown and feeling free.
VOA : special.2010.05.28
48. Owen died an unknown provincial.
欧文去世时是个默默无闻的外省人。
49. The cause of the explosion at the Oak Grove Marina near Edgewater, Maryland, is unknown.
CNN: Six children injured in Maryland boat explosion
50. So, what we have found out so far, I'm purposely going from x to y because I want you to know that the unknown variable can be called an x or can be called a y.
到目前为止,我们有这些结论,我特地把x换成y,因为我想让你们明白,未知变量既可以写成x,也可以写成y基础物理课程节选 : 耶鲁公开课
51. The mathematical theory of probability was unknown until that time and you can see that insurance suddenly made an appearance at that time.
在那之前,概率的数学理论,是不存在的,而随着概率论的出现,保险业也突然出现了金融市场课程节选 : 耶鲁公开课
52. They know that level of funding for grassroots development has been unknown in the past.
BBC: Colin Croft column
53. They gave a name to this mysterious continent: Terra Australis Incognita, or the "Unknown Southern Land."
VOA : special.2009.06.03
54. The apprehension in trusting the unknown will always be a component of human nature.
FORBES: Why Cloud Computing Is Slowly Winning The Trust War
55. There's only one unknown a.
所以只有一个未知量,a基础物理课程节选 : 耶鲁公开课
56. An unknown state Senator, Kay Hagan, now has pulled ahead of Elizabeth Dole in many polls.
NPR: Democrats Could Reach 60 Senate Seats
57. It has some grammar structure and words from several other languages that are unknown or that have disappeared.
VOA : special.2009.12.02
58. But how many genes there are, and their exact nature, are both as yet unknown.
ECONOMIST: Terminator genes
59. The quality and effectiveness of single vaccines in protecting individuals from measles is unknown.
BBC: Vaccination in Swansea
60. An unknown number of demonstrators were arrested.
有示威者遭到了逮捕,具体人数不详。
61. Therefore, it'll compress by an unknown x, which is equal to mg divided by the force constant of the spring.
因此它的压缩量为 x,也就等于 mg 除以弹簧的弹性系数基础物理课程节选 : 耶鲁公开课
62. To Margaret the outside world was an unknown quantity.
对玛格丽特而言,外面的世界是个未知数。
63. Now the former church worker wants to give another unknown a chance of fame.
BBC: Singer Susan Boyle in search for next star for duet
64. Australia's only fit specialist spin bowler is the 25-year-old off-spinner Jason Krejza, a virtual unknown.
BBC: India name Ganguly in Test squad
65. And they feel that unknown dangers in the business world threaten the survival of their business.
VOA : special.2010.05.16