阿拉伯乳酸桿菌

As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(二)月

民俗在发展如此迅速的中国经历着困难时期。随着来自国外的新观念和新想法的涌入,许多人担心这些民俗会消失。 Listen Read Learn Folk customs have a difficult time in China that is undergoing such rapid development. Many fear that these customs will disappe

发表于:2019-01-07 / 阅读(104) / 评论(0) 分类 英语口语大赢家

As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec

发表于:2019-01-20 / 阅读(56) / 评论(0) 分类 Scientific American(三)月

Illinois Senator Barack Obama and former Arkansas Governor Mike Huckabee have won the Iowa caucuses held in that Midwestern state on Thursday. Obama, who won the most votes in the Democratic Party caucuses, is the first person of African descent to h

发表于:2019-01-31 / 阅读(108) / 评论(0) 分类 VOA双语新闻 2008年1月
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