单词：lighting motor-generator set
单词：lighting motor-generator set 相关文章
This is the VOA Special English Development Report. Dave Irvine-Halliday in Mexico More than one and a half billion people around the world live without electricity. Finding better ways to bring light to the poor is the goal of researchers like David
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With the last of April the sun disappeared, leaving only a faint glint of brightness now and then along the horizon. 四月的最后一天，太阳消失了，只在地平线上留下一点忽闪忽现的微弱光芒。 Inside the huts, however, a fl
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DEVELOPMENT REPORT - Canadian Professor Aims to 'Light Up the World' By Gary Garriott Broadcast: Monday, November 01, 2004 This is Gwen Outen with the VOA Special English Development Report. A light e
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Space shuttle Discovery is preparing to launch on a mission to deliver new supplies and science equipment to the International Space Station. Birds fly past space shuttle Discovery at the Kennedy Space Center in Cape Canaveral, Fla., 24 Aug 2009 The
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By Greg Flakus Prescott, Arizona 03 November 2006 watch Forest Fire Prevention In the western United States this year nearly four million hectares of land have been scorched by fire, in the worst wildfire season on record. Twenty-one firefighters ha
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It was the summer of 1878. Tom had been working hard for a long time. He was thinking about taking a vacation. Then a friend invited him to join a group of scientists. They were traveling by train to Wyoming to see an eclipse of the sun. Tom decided
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