我们内脏里的细菌会吞噬糖类和脂肪酸一类的物质，它们通过呼吸作用和发酵作用可以分解此类物质。
Bacteria in our gut gobble up things like sugars and fatty acids, which they can break down either through respiration or fermentation. Respiration provides a bigger energy kick.
酵母将面粉中淀粉分解后的糖类物质转化为二氧化碳等，使面团在气体作用下变得蓬松。
Yeast transforms the carbohydrate decomposed by starch in the flour into carbon dioxide and other chemical elements and makes the dough fluffy under the effect of the gas.
我们内脏里的细菌会吞噬糖类和脂肪酸一类的物质，它们通过呼吸作用和发酵作用可以分解此类物质。
Bacteria in our gut gobble up things like sugars and fatty acids, which they can break down either through respiration or fermentation.
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