土地承载能力的波动转而影响食物的人均供给量。

Fluctuation of the carrying capacity in turn affects the food supply per capita.

youdao

由于水和食物在一天中的波动超过脂肪水平，这些测量数据基本上是无意义的；甚至会带来不好的影响。

But since water and food content fluctuate more than fat levels on a daily basis, these measurements aren't just meaningless; they can be damaging.

youdao

低血糖指数食物对人有益，相对于一些如大米和土豆等高血糖指数食物，小麦片仅仅使人体血液中的葡萄糖和胰岛素水平有细微的波动。

Low glycemic index foods are better for you because they produce only small fluctuations in blood glucose and insulin levels compared with high glycemic index foods like rice and potatoes.

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The glycemic affect is the extent to which this blood sugar effect occurs when people consume certain foods and then the glycemic index is just a number that gets attached to that.

血糖效应从某种程度上讲,是在人们进食,某些食物时出现的血糖波动,血糖指数则仅仅是这一效应的量化体现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选