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红斑鳞屑性皮肤病 多形红斑 erythema multiforme 离心性环状红斑 erythema annulare centrifugum 慢性游走性红斑 erythema chronicum migrans 匍形性回状红斑 erythema gyratum re
医务英语
By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form
2007年VOA标准英语（七月）
President Barack Obama addresses the U.S. Congress and the nation in a few hours, and faces huge expectations regarding the U.S. economic crisis. Democratic and Republican lawmakers made remarks ahead of the president's speech to a joint session of
VOA标准英语2009年(二月)
President Barack Obama is calling for legislation to more tightly regulate the U.S. financial industry. The president said Wednesday that he wants to prevent more situations like that at the giant insurance company, American International Group, or
VOA标准英语2009年(三月)
Recent public opinion polls show continuing faith in President Barack Obama, despite a daily drumbeat of bad economic news. But political experts warn that the public will not remain patient forever. President Barack Obama Americans cannot get away
VOA标准英语2009年(三月)
HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American
健康与经济