单词：equivalet component density
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By Paul Sisco Washington 31 October 2007 A team of British explorers has announced they are going to the North Pole to measure the ice cap's thickness. The expedition, a collaboration of Cambridge University in Britain and a U.S. Navy oceanography sc
2007年VOA常速英语（十月）
How Military Research Finds Its Way to Everyday Life 军事研究是如何走进日常生活的? WASHINGTON Sometimes simple scientific advances in one field can have value far beyond their intended use. Many of these advances can change the world an
VOA标准英语2015年(十二月)
What is extraordinary from our point of view is how well it turned out for us. If the universe had formed just a tiny bit differentlyif gravity were fractionally stronger or weaker, if the expansion had proceeded just a little more slowly or swiftlyt
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India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year,that one variant of the virus is actually on the in
VOA双语新闻 2008年1月
After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer
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