单词：bevonium metilsulfate
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But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
365个英语简短小故事
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
365个英语简短小故事
By Mona Ghuneim New York 04 July 2007 Three documentaries featured at the annual Human Rights Watch Film Festival in New York this year aim to put a human face on the issues and crises facing Africa today. From New York, VOA's Mona Ghuneim has the st
2007年VOA标准英语（七月）
By Sean Maroney Washington 28 June 2007 In New York Wednesday, Amnesty International and other human rights groups sponsored a vigil calling for the immediate release of detained Iranian-Americans by Tehran. In May, the government of Iran arrested fo
2007年VOA标准英语（六月）
Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d
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By Peter Fedynsky Washington, DC 11 December 2006 watch Rumsfeld Iraq The departure of U.S. Defense Secretary Donald Rumsfeld this month roughly coincides with the end of Lieutenant General Peter Chiarelli's tour as Commander of Multinational Forces
2006年VOA标准英语（十二月）