单词：commercial fermentation
单词：commercial fermentation 相关文章
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You start with a liquid containing some kind of sugar, add yeast, and wait. The yeast digests the sugar, giving off alcohol in the process. The sugar in beer comes mostly from a grain called barley. With wine, the sugar usually comes from grapes. Eit
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In the event of an accident, taxi drivers face possible bankruptcy since many are not protected by commercial insurance, and would be required to pay not only compensation to the accident victim, but also a penalty from the traffic administration. [P
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