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become extinct是什么意思_become extinct短语搭配_become extinct权威例句
become extinct是什么意思_become extinct短语搭配_become extinct权威例句become extinct的意思是：灭绝：指某个物种或群体完全消失，不再存在于地球上。。学考宝为您提供become extinct是什么意思，become extinct翻译，become extinct短语搭配，become extinct权威例句等查询，让您轻松学单词。