Anything that he does over and above merely staying alive will be defined as work, and is supported by "work calories" which he takes in.

维生以外所做的一切可以定义为工作，由摄取的“工作卡路里”支持。

youdao

Most people who go on "low" carbohydrate diets complain of low energy and quit, not because such diets can't work, but because they consume insufficient calories.

大多数采用这种“低”碳水化合物疗法的人们通常会抱怨说体能不足而放弃，不能说这个疗法没有用，而是因为他们消耗不足的卡路里。

youdao

So don't cut calories by force of will; let high-fiber foods do the work for you.

所以，不要通过意志力来强行削减热量，让高纤维食物来帮你做就是了。

youdao

In that process there is a metabolic engine at work, and some people have an efficient engine so that the calories in get banked in the fat, other people have an inefficient engine, that is the calories get wasted as body heat and things like that, and they tend not to gain weight.

这过程中人体内有个工作着的代谢引擎,有些人的代谢引擎效率很高,热量便转化为脂肪储存起来,另一些人的效率低下,能量就以体温等形式被浪费了,因此他们就不容易发胖

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The editors claim users can work off 96 calories per hour by surfing the site.

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Casually work off those calories while moseying down Wharf St and let the eclectic mix of live music and lounge chatter wash over you.

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While Americans expend fewer calories at work, they spend more time in cars -- almost twice as much as in the 1970s.

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