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For 40 years, Paul Karason was a fair skin son of the American Northwest, freckles and reddish-blond hair. Like most people who grow older, Pauls hair turned white. But how does he explain this? What was that Aha moment were you think, you know, my

发表于:2018-12-11 / 阅读(130) / 评论(0)

访谈录2008

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-Sheldon：Worst renaissance fair ever. renaissance：文艺复兴 fair：集市，集会史上最逊的文艺复兴集会。 -Leonard：Please let it go, Sheldon. 别再墨迹了Sheldon。 -Sheldon：It was rife with historical inaccuracies. be rif

发表于:2019-01-01 / 阅读(165) / 评论(0)

生活大爆炸第二季

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DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea

发表于:2019-01-02 / 阅读(100) / 评论(0)

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Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(147) / 评论(0)

VOA2003（上）-社会广角

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This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(162) / 评论(0)

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This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo

发表于:2019-01-11 / 阅读(116) / 评论(0)

VOA慢速英语2009年（六）月

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发表于:2019-01-12 / 阅读(349) / 评论(0)

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A.M.I.

Albendin

Altenkirchen(Westerwald)

ammonium ichthyolsulfonate