单词：turbulence cell
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
Economic Turbulence Forecast for 2012 There are encouraging signs for the world's largest economy as 2011 comes to an end. American consumers are spending more, the housing market is improving, and employers are laying off fewer workers. But the unre
VOA标准英语2011年(十二月)
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
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Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
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By Gary Thomas Washington 18 December 2007 For Pakistan, 2007 was a year of unrest and political turmoil. After seven years in power, President Pervez Musharraf faced the first direct and sustained challenges to his rule from armed Islamic groups and
VOA常速英语2007年（十二月）
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
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