标签：Melting 相关文章
By Frank Ling Washington 07 August 2006 New research shows that global warming might be worse than expected because of melting permafrost, permanently frozen soil, which can release the greenhouse gas, carbon dioxide. Computer models predict higher
2006年VOA标准英语（八月）
By Paul Sisco Washington 04 June 2007 Every year since 1974, the United Nations has declared June 5th World Environment Day. The theme of this year's series of events is Melting Ice a Hot Topic? VOA's Paul Sisco reports. For International Polar Year
2007年VOA标准英语（六月）
By Paul Sisco Washington, D.C. 24 November 2006 watch Polar Melting report 2007 is International Polar Year. It's an international effort to spur scientific research at the most forbidding places on Earth, primarily because many in science consider
2006年VOA标准英语（十一月)
Polar Scientist Charts Melting Caused by Climate Change Michael Gooseff follows water to the end of the earth. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.
VOA标准英语2011年(八月)
Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? D: It lowers the melting and freezing point of water. Y: Oh,OK.Wait,I don't get it. Doesn't that mean the salt make ice colder? D: Let me explain.Pure water freezes at thirty-two degrees Fahr
英语听力文摘 English Digest
By Ade Astuti New York City, NY 13 September 2006 watch Soccer Melting Pot This year's World Cup in Germany rekindled American interest in soccer. However, many immigrant communities in the U.S. have long been devoted to it. In New York City, for in
2006年VOA标准英语（九月）
RACHEL MARTIN, HOST: It's Independence Day tomorrow, which for most Americans means fireworks, barbecues and a day out in the sun. In California, it could mean skiing on the Fourth of July. The wet winter covered the Sierra Nevada and many of the wes
2017年NPR美国国家公共电台7月
Melting Ice In Greenland Could Expose Serious Pollutants From Buried Army Base KELLY MCEVERS, HOST: Buried below the ice sheet that covers most of Greenland, there is an abandoned U.S. Army Base. Camp Century had trucks and tunnels - even a nuclear r
2016年NPR美国国家公共电台8月
D：Yael, do you know what's the best thing about state affair? Y: Do you tell. D: Fried candy bars, two favoriate treats rolled into one. And doesn't it bother your mind how they manage fried chacholate without making a terrible mess? Fried candy ba
英语听力文摘 English Digest