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权威例句

1. Grapefruit Grapefruits have a good amount of vitamin C. But science has yet to prove that you can easily get enough vitamin C through foods alone, without supplementation, to help treat cold and flu.

葡萄柚葡萄柚含有大量的维C，但是科研人员还无法证实在感冒时，人体仅靠食物就能获得足量的维C来对抗感冒。