单词：ammonia synthesizer
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AMERICAN MOSAIC - Kids Helping Kids Survive the Effects of Katrina By Nancy Steinbach Broadcast: Friday, September 09, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. I'm Doug J
American Mosaic
Good morning, from the CNN center here in Atlanta. I am Melissa Long. Its a Tuesday, August 4th and heres a look at some of the stories making news at this hour. Iran is finally confirming that it has arrested three American travelers, three America
CNN2009年(八)月
This is Scientific American's 60-Second Science,I'm Christopher Intagliata,got a minute？ Benny Goodman earned his title,the king of swing as a virtuoso of the clarinet,but now a computer in upstate New York has learned to rip him off.Researchers at
Scientific American(四)月
This is the VOA Special English Agriculture Report. University of Delaware scientists say trees can reduce emissions of dust, ammonia and odor from poultry farms Planting trees around poultry farms can improve air and water quality -- and please the
VOA慢速英语2008年（九）月
This is the VOA Special English Agriculture Report. Planting trees around poultry farms can improve air and water quality -- and relations with neighbors. Research has shown that just three rows of trees near poultry houses can reduce the release of
VOA慢速英语2009年（九）月
Mad World: 80s New Wave Rock Acts in Their Own Words Music fans have already seen songs of the 1960s get their due and the sounds of the 1970s have been endlessly analyzed as well. But what about the 1980s? The authors of a new book are celebrating t
VOA标准英语2014年(六月)
KIEV, Aug. 6 (Xinhua) -- The death toll in a chemical plant explosion in eastern Ukraine's Donetsk region has risen to 5 after two of the wounded succumbed to injuries, the Ukrainian State Service for Emergencies said on Tuesday. The blast occurred a
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