Products such as cleansers and skin peels can cause damage to the skin if exposed to excessive sunlight.

如果暴露在过度的阳光下，那些用于清洁皮肤和去除角质的产品就将会伤害到我们的皮肤。

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However, if exposed to heated air, the phase change from liquid to gas is more intense, and produces an efficiency of 70 percent.

然而如果该过程中加入热空气，相变过程就会加剧，达到70%的效率。

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Humans cannot, and would die if their legs were exposed for any length of time.

人类做不到这一点，如果双腿暴露，不管时间长短，都会死。

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Gabisov chided participants for failure to discuss more specific measures, and noted the brutal lengths to which corrupt officials go if they are exposed in the press.

VOA: standard.2009.05.15

If you feel exposed without a text book, you really have to have a textbook, John actually I'm going to reuse that word, John, at least suggest it, on the course website.

如果你觉得没有教科书就缺乏安全感的话，那你真的需要一个了，其实我应该重新使用这个词儿，至少是建议，你能在课程网站上找到。

麻省理工公开课 - 计算机科学及编程导论课程节选

The question is, "If you're naturally exposed to antigen wouldn't this happen anyway?"

她的问题是,在自然条件下,如果接触某种抗原,那么就是否就不发生二次免疫

耶鲁公开课 - 生物医学工程探索课程节选

It is a particular risk for young children, who suffer significant developmental problems if exposed to elevated lead levels.

BBC: US rice imports 'contain harmful levels of lead'

This wouldn't matter in a lower latitude, because the body can synthesize vitamin D if exposed to ultraviolet sun rays.

WSJ: Matt Ridley on Human Culture's Effect on Genes | Mind & Matter

Methane and other gases can ignite if exposed to sparks, so the electronics are housed in casings designed to withstand an explosion.

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