高营养密度食物提供营养素的百分率比能量供给百分率高。

Foods with a high nutrient density are foods that contribute a high percentage of the nutrients In relation to the calories provided.

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乳提供营养素、激素和帮助婴儿免疫力以抵御感染因子的物质。

Mature milk supplies nutrients, hormones, and substances that provide the infant with immunity against infectious agents.

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不同的水果和蔬菜提供不同的营养素，所以，吃丰富多样的水果和蔬菜是很重要的。

Different fruits and vegetables supply different nutrients, so it's important that you eat a variety of fruits and vegetables too.

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But if you have enough energy, or you have too much energy stored in your body and body fat, then the brownie's not such a good idea because it provides too much, and of course not nearly the nutrients that the broccoli would provide.

但如果你的身体能量充沛,或者能量过多,体态肥胖,那么布朗尼提供过多热量,不是首选,提供的营养素也不及花椰菜

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选