Sleep Isn't Just a Bodily Function: Sleep is a biological, physiological system, akin to the cardiovascular system, the nervous system and so on.

睡眠并不是一种人体功能： 睡眠是一种生物生理系统，类似于心血管系统、神经系统等。

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Sleep is a very important bodily function in which your brain and body relax and rejuvenate after the stress of the day.

睡眠是一项十分重要的身体机能，让你的大脑及身体在一天的劳累后休憩并复苏生机。

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If someone has to make up a lie on the spot, they divert energy away from their bodily movements and into their brain function.

如果某人必须当场撒个谎，他们会把能量从其他的身体动作中挪出来、供给大脑活动。

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And so the food is a broader constituent of what we consume; the nutrient will be the pieces of the food that affect bodily function.

所以食物的概念要比吃的东西更加广泛,食物中的营养素影响着我们的人体机能

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A nutrient is considered a substance within the food, that's when it digests it, absorbs, promotes some bodily function, so that it has some metabolic health value when people consume it.

营养素是包含在食物中的物质,由人体消化,吸收,推动身体机能,食品必须具有值得人类去代谢的健康价值

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As Arthur Caplan, a bioethicist at the University of Pennsylvania, notes, the broader question raised by Seasonale is whether suppressing menstruation is merely a lifestyle choice or, rather, whether it is more like turning a normal bodily function into a medical complaint.

ECONOMIST: Controlling menstruation