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Researchers Identify Drug That Might Block Sexual Transmissi

By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin

发表于:2019-01-03 / 阅读(35) / 评论(0)

VOA2004（下）--健康科技

European scientists plan to go on a very special space missi

In 2017, European scientists plan to go on a very special space mission - landing on an asteroid. But why do they want to visit an asteroid and will there be space for Callum on the spacecraft?! 欧洲科学家计划于 2017 年进行一次航空任务 - 降落在小行

发表于:2019-01-07 / 阅读(51) / 评论(0)

六分钟英语

VOA标准英语2009年-India Hails Role Played by its Space Missi

By Anjana Pasricha New Delhi 25 September 2009 An image from India's Chandrayan 1 spacecraft shows the distribution of water-rich minerals around a small crater on the surface of the Moon, 24 Sep 2009 India is triumphant at the role played by its in

发表于:2019-01-13 / 阅读(26) / 评论(0)

VOA标准英语2009年(九月)

VOA常速英语2008年-Equatorial Guinea Says Four Dead, Several Missi

By Uma Ramiah Dakar 16 April 2008 Four people are dead and seven missing after a jet carrying officials from Equatorial Guinea's ruling political party plunged into the Gulf of Guinea Wednesday morning. Uma Ramiah reports for the VOA from our West Af

发表于:2019-01-31 / 阅读(42) / 评论(0)

VOA常速英语2008年（四月）

VOA标准英语2010年-Germany's Call for Removal of US Missi

Germany's new coalition government is calling for U.S. nuclear missiles to be removed from Europe. A London research organization says Germany's announcement has reopened the global debate about whether nuclear weapons help or hinder global security.

发表于:2019-02-12 / 阅读(33) / 评论(0)

VOA标准英语2010年(二月)

英语歌曲:五彩斑斓的美好心情The Saturdays - Missi

五彩斑斓的美好心情：The Saturdays - Missing You 英国果然是盛产女子组合的地方。The Saturdays，五个活泼耀眼的女生，欢快的歌曲，连组合名称都给人一种斑斓的印象。这首Missing You也是本周英国单

发表于:2019-02-16 / 阅读(36) / 评论(0)

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aeronautical radio beacon station