Americans, Briton Win Nobel Chemistry Prize for Directed Evolution Two Americans and one Briton have won the 2018 Nobel Prize for Chemistry for developing new processes used to create drugs, chemicals and biofuels. Frances Arnold of the California In

发表于:2019-01-03 / 阅读(37) / 评论(0) 分类 2018年VOA慢速英语(十)月

AGRICULTURE REPORT –August 20, 2002: Exploding Meat By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientist Morse Solomon has developed an unusual method to make meat s

发表于:2019-01-11 / 阅读(67) / 评论(0) 分类 农业与发展

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发表于:2019-02-19 / 阅读(122) / 评论(0) 分类 加州英语分级G6

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