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Inventor Hadeel Ayoub blips a black glove on to her hand before beginning the familiar swish of sign language. She pushes a button on her wrist and a small speaker relays the message. This glove translates sign language into speech to help people who

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高科技让空气吉他成为可能 Learning to play guitar requires a lot of practice, perseverance and, at least in the beginning, painful blisters on fingers. 学习弹吉他需要勤加练习，不折不挠，至少要在初期忍受手指的水疱

VOA慢速英语2016 美国失踪的"地狱之火"导弹出现在古巴

AS IT IS 2016-01-11 Missing US Hellfire Missile Turns Up in Cuba 美国失踪的地狱之火导弹出现在古巴 U.S. officials are asking how a Hellfire missile used in a training mission in Europe has ended up in Cuba. 美国官员质询，在欧洲

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VOA标准英语2015--科学家致力于提高风力发电的效率

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VOA标准英语2016--“智能”绷带有助更快治愈伤口

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科学美国人60秒 SSS 2014-07-02

This year, the number of mobile phones on cell networks is expected to surpass the Earth's population. More people now own cell phones than actually have access to working toilets. James Meadow, a microbial ecologist at the University of Oregon. Hidd

CCTV9英语新闻：MH370搜寻重心转为水下搜索

Australia bids farewell to international military personnel at Perths Royal Australian Air Force base on Tuesday. It came after the visual search for a missing Malaysia Airlines jetliner was called off. So on behalf of all Australians and all the fam