Protein and carbohydrate have 4 calories per gram, per unit weight.

每克每单位重量蛋白质和碳水化合物产生4卡路里。

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Fat has twice the calories per unit weight than protein or carbohydrate sugar has, as a consequence, has the greatest survival value.

脂肪单位体重的卡路里含量是蛋白质和碳水化合物的两倍，因此，有最能维持生存的价值。

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The result shows that the unit weight of culm changes along with the age of culm.

结果表明，竹杆容重随年龄的变化反映了毛竹个体独特的生长分化特点。

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Fat has twice the calories per unit weight that protein or carbohydrate sugar has, as a consequence, has the greatest survival value.

单位重量中脂肪的热量含量,是蛋白质和碳水化合物的两倍,因此,脂肪才是最能维持生存的物质

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As I mentioned before, fat has twice the calories per unit weight as protein and carbohydrate.

如我之前所说,单位重量中脂肪的热量含量,是蛋白质和碳水化合物的两倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Protein and carbohydrate have 4 calories per gram, per unit weight.

每克蛋白质或碳水化合物产生4卡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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