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英文魔法师字源大挪移
After 'Gen X', Today's Young Might be Gen E Americans like to give names to generations. We call those who lived through World War II, the Greatest Generation; those who came of age reading the beatnik poets of the 1950s, the Beat Generation; those f
VOA标准英语2012年(三月)
The deep downturn in the US economy gathered strength in February as another 651,000 workers lost their jobs. Crowds wait to apply for jobs outside the New York Department of Labor in the Bronx in New York, 06 Mar 2009 It was the third straight mont
VOA标准英语2009年(三月)
SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special
科技之光
Zinc supplements reduce the average cold by about a day and also make symptoms（症状） less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year
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