As we mentioned in one of the earlier classes, these macronutrients differ in how much energy you can derive from them.
我在之前一节课提过,身体从不同大量营养素中吸收的能量不同
Well, both are foods, depending on your definition, but both are foods. Both have nutrients, both have things your body can make use of.
根据普遍的定义,两种都是食物,都是食物,都有营养素,都含有人类身体可吸收利用的物质
This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.
这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养
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