单词：tracheobronchography
单词：tracheobronchography 相关文章
Last term I took part in a geography research study group. Our topic was environment pollution and protection. We took a variety of pictures, showing the present pollution conditions of our city. To our surprise, there are still a lot of people doing
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Section 40 Geography What is the capital of this country? Where is such and such a country? This is what we think of when we think of geography. In fact, geography covers not just countries and cities
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EDUCATION REPORT – June 6, 2002: Geography Competition By Jerilyn Watson This is the VOA Special English Education Report. The National Geographic Society is a private organization that studies and
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It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
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Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
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标准英语,VOA,trach,successful,Israel,By Robert Berger Jerusalem 15 January 2006 Ariel Sharon (file photo) Israeli Prime Minister Ariel Sharon underwent a tracheotomy Sunday, 11 days after his massive stroke. Doctors are worried. --------
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