单词：heliographer
单词：heliographer 相关文章
01Going Out of Business GLOSSARY to gobelly up to fail as a business; to have to close because a business is not earning enough money* The farm went belly up when it didnt rain enough for two summers in a row. to struggle to try very hard or for a ve
2008年ESL之商务英语
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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By Deborah Block Washington, DC 23 May 2006 watch New Sunscreen report Sunscreen with helioplex A new ingredient in sunscreen is being called the most important advance in skin protection from the sun
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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
VOA标准英语2014年(二月)
Julianne: Im really glad to be back in Macville. What happened to the market that used to be here? Helio: Oh, it went belly up . It struggled for many years. The owners tried to downsize and reduced the space they were renting, but they had to throw
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