Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(47) / 评论(0)

(科普英语)Earth and Sky

THIS IS AMERICA - Blues Music, Part 2

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发表于:2019-01-02 / 阅读(81) / 评论(0)

This is America

VOA标准英语2008年-Tommy Castro Enlivens San Francisco Blues Scene

By Doug Levine Washington 21 January 2008 San Francisco, California is one of America's premier rock and roll towns, once home to such legendary groups as The Grateful Dead and Jefferson Airplane. But, as VOA's Doug Levine tells us, the Bay Area also

发表于:2019-01-13 / 阅读(40) / 评论(0)

VOA标准英语2008年（一月）

VOA标准英语2013--Stony Plain Records Releases New Electric Blues Albums

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发表于:2019-01-14 / 阅读(49) / 评论(0)

VOA标准英语2013年(五月)

Electric motor made in single molecule

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(72) / 评论(0)

英语新闻

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发表于:2019-02-09 / 阅读(67) / 评论(0)

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2-butenylene

a-before

abrasivity of ground

absorption by impurities