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This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
Broadcast: Jan 30 2003 Researchers say there appears to be no link between a substance found in some high-carbohydrate foods and the development of some types of cancer. U.S. and Swedish researchers c
VOA2003（上）-健康之旅
Introduction of product of the same sort 同类产品介绍 Strange looking handle on that coffee mug,isn't it? 那个咖啡杯的握把看起来很奇怪，不是吗? We submitted two designs to our buyers. This one and one with the mug indented to
外贸英语话题王
The fridge is one of your homes biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use. Enter
60秒科学
HEALTH REPORT - Study Shows No Link Between Cell Phones and Rare Tumor By Cynthia Kirk Broadcast: Wednesday, September 07, 2005 I'm Barbara Klein with the VOA Special English Health Report. New resear
健康与经济
KHARTOUM, Jan. 17 (Xinhua) -- The Arab League (AL)（阿拉伯联盟） Mission for monitoring south Sudan referendum（公民投票权） on Monday said that the polling process was characterized by high transparency and integrity with international
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