许多植物经过发酵可以提炼出酒精。
在生产发面的过程中，酵母引起的酒精发酵是一个主要步骤。
An alcoholic fermentation by yeasts is an essential step in the production of raised bread.
发酵时在葡萄酒里加糖以提高酒精浓度。
Sugar is added to the wine during fermentation to increase the alcohol level.
葡萄酒是由新鲜的葡萄汁经过发酵而产生了酒精的一种饮料。
The wine is an alcoholic drink made from the fermented fresh juice of grape.
为了使葡萄酒有较高的酒精含量，我们让它发酵了很长时间了。
We ferment the grapes for a very long time to achieve high alcohol content.
发酵后的苹果汁能够用于酿造果酒这一含酒精饮料。
Fermented apple juice can be used to make cider, an alcoholic drink.
酒精发酵能力中等，发酵速度较慢。
酒精发酵能力中等，发酵速度较慢。
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