富有营养成分的：包含大量精选成分，如黄油、糖或鸡蛋的，因而不同寻常地腻或甜的。

Containing a large amount of choice ingredients, such as butter, sugar, or eggs, and therefore unusually heavy or sweet.

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因为我们喝牛奶，我们就能够消化牛奶；而我们喝牛奶，是因为它有营养，我们可以消化吸收它的营养成分。

We can digest milk because we drink milk; we drink milk because its nourishing and we can digest it.

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第二，绿色食品更加的有营养，食物里面的营养成分均衡，较少失掉，所以绿色食品能保持很好的营养。

Second, the green food is more nutritious, the nutritious elements in the food are balanced and less lost, so green food remain good nutrition.

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But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.

可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选