晒伤的风险和严重程度取决于身体的自然肤色。

The risk and severity of sunburn depend on the body's natural skin colour.

《柯林斯英汉双解大词典》

身体的自然节律造成我们在下午1点至3点间都会感到无精打采、昏昏欲睡。

The body's natural rhythms mean we all feel dull and sleepy between 1 and 3 pm.

《柯林斯英汉双解大词典》

她温柔的爱抚会使他原本绷紧的身体更不自然。

The gentlest of her caresses would contort his already tense body.

《柯林斯英汉双解大词典》

You can become dehydrated and die just as a result of the loss of water there, because of your body's natural response to the infection.

就会脱水,而失水的后果就是死亡,这是你身体对于这种感染的自然反应

耶鲁公开课 - 生物医学工程探索课程节选

That's how he often writes about human behavior, that we obey the same laws of physical attraction as do any other bodies that we might choose to describe. They describe how bodies in motion always and necessarily behave, these laws of nature.

这是他经常说的人类行为，我们遵守同样的物质吸引的法则,其他人也一样,他们描述运动中的身体,经常而且肯定会，体现出自然法。

耶鲁公开课 - 政治哲学导论课程节选

If we defined food differently: that it's something that nurtures the body, something found in nature, something that doesn't harm the environment-- there are a number of criteria one can apply to define a food-- then we might come up with a different definition than this, but this is the way the nutrition field generally looks at it.

如果我们给出不同的定义,滋养身体的物质,在自然界找到的物质,不会威胁到身体的物质,有很多标准可以拿出来定义食物,我们也许可以就此重新进行定义,但这就是营养学看待食物的方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选