他们有巨大的胃容量，能够在长时间段消化食物，以较慢的速度将食物转化为能量，为以后储存。

They had enormous stomach capacity, the ability to digest food over a long period, converting it to energy at a slower pace, saving it for later.

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案例谈到食物转化为能量。

The case for turning food into fuel.

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我们吃的大部分食物转化为葡萄糖用于向身体提供能量。

Most of the food we eat is turned into glucose, or sugar, for our bodies to use for energy.

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In fact, people do consume foods with cholesterol, but most of the cholesterol in the body is synthesized from foods that don't have cholesterol itself but have fat that the body turns into cholesterol.

实际上,尽管人们食用含胆固醇的食物,但人体内大多的胆固醇都是由,本身不含胆固醇的食物的脂肪,转化合成而来的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选