How do spacemen in a spacesuit eat, drink, and go to the bathroom?

穿着太空服的宇航员如何吃、喝东西以及上厕所呢？

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It is considered impolite in the U.S. to eat, drink or chew gum during class.

上课的时候吃零食、喝饮料或者嚼口香糖，这在美国被认为是不礼貌的行为。

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You can, however, take simple steps to reduce the risk to your offspring by paying special attention to what you eat, drink and breathe.

不过，您可以采取简单的步骤，特别关注您的饮食、饮用水以及呼吸的空气，以降低这些化学物质对后代的风险。

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