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SSS 2008-01-31

This is Scientific Americans' 60-Second Science. Im Steve Mirsky. Got a minute? The search for alternative fuels to gasoline has led to surprising possibilities, for instance, the waste oil for making French fries. But one of the most unusual alterna

发表于:2018-12-24 / 阅读(40) / 评论(0)

Scientific American(一)月

【美国总统电台演说】2007-02-10

THE PRESIDENT: Good morning. Last Saturday, I addressed the annual retreat of Democrats from the House of Representatives. I thanked the Members of the new majority for their service in Congress. And we discussed our responsibility to work together

发表于:2018-12-30 / 阅读(22) / 评论(0)

美国总统电台演说

Tres Chicas' Sweetwater Offers Country Fans Alternative Root

By Katherine Cole Tres Chicas is a rarity on the music charts: A vocal group in which all three singers are frontwomen in their own right. And don't get ready to rumba, because despite their Latin nam

发表于:2019-01-07 / 阅读(58) / 评论(0)

VOA2004（下）--文化艺术

2018年CRI China's grain companies turn to alternative soybean supply sources

China's grain enterprises are turning to alternative sources for soybean imports, given the reduction of soybean imports from the United States amid the trade frictions between the two countries. China is the world's largest soybean importer, account

发表于:2019-01-19 / 阅读(53) / 评论(0)

2018CRI中国国际广播电台

Alternative Education

By Jerilyn Watson Broadcast: July 17, 2003 This is Bill White with the VOA Special English Education Report. Some young people in the United States attend 1)alternative schools. These are schools that

发表于:2019-01-20 / 阅读(131) / 评论(0)

VOA2003（下）-教育与新闻

学个词 Learn a Word-VOA英语教学 2810 alternative

今天我们要学的词是 alternative. Alternative 作为形容词，意思是另外的，可以用于替代的。Stephen Hawking predicts that planet Earth will only survive another 100 years, and it's urgent to consider an alternative planet. 霍金

发表于:2019-03-07 / 阅读(99) / 评论(0)

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acanthocepola krusensternii

accordion fabric

acid degumming

adaptive norm(schmalhausen 1949)

arc welding power source

ausiliary section

bacteriophage typing