单词:biogas fermentation
单词:biogas fermentation 相关文章
AGRICULTURE REPORT - Making Cheese the Traditional Way, Part Two By Mario Ritter Broadcast: Tuesday, October 04, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Last week, we hear
FAITH LAPIDUS: Im Faith Lapidus. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Since ancient times, people have grown grapes to produce wine. Join us as we tell about the history of wine and how it is made. We will also
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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
The US is on the verge of meeting most of the economic conditions the Federal Reserve has set to increase interest rates next month, according to a member of the rate-setting Federal Open Market Committee. 负责制定利率的联邦公开市场委员会