单词：metrographer
单词：metrographer 相关文章
Flyboys (Movie) In 1914, The Great War --WWI--began in Europe. By 1917, the Allied powers of France, England, Italy and others were on the ropes against the German juggernaut. Some altruistic young Americans disagreed with the war. They volunteered
娱乐新天地Trailer 2006
Photographer Margaret Bourke-White Helped Create the Modern Art of Photojournalism Written by Shelley Gollust (THEME) VOICE ONE: Im Barbara Klein. VOICE TWO: And Im Steve Ember with People in America in VOA Special English. Today we complete our repo
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DOUG JOHNSON: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week, we answer a question from China about music award shows in America We play music by winners of this weeks Grammy Awards But first, a moment of silen
2011年VOA慢速英语(二)月
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
VOA标准英语2010年(十)月
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
VOA标准英语2014年(二月)
Studies indicate that American war veterans are far more likely to commit suicide than non-veterans. Until recently, getting emergency help and counseling services has been difficult or impossible for many vets. But the situation may be improving, t
VOA标准英语2008年（八月）