单词：Cochlearia henryi
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Broadcast: Jan 5, 2003 By Richard Thorman People in America--a program in Special English on the Voice of America. Every week at this time, we tell the story of a person was important in the history o
VOA2003（上）-美国故事
Broadcast: January 12, 2002 By Richard Thorman People in America, a program in Special English on the Voice of America. Every week at this time, we tell the story of a person important in the history
VOA2003（上）-美国故事
This is Scientific Americans' 60-Second Science. I am Karen Hopkin, this will just take a minute. Most school kids know that snakes can see with their noses, Vipers in particular have these organs on their noggins that allow them to see heat which he
Scientific American(一)月
Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu
Scientific American(九)月
THIS IS AMERICA - Inside the Complex Worlds of Deafness and Deaf Culture in America Hearing technology offers more hope than ever. Yet the devices are not always welcomed. Also, how one young woman is learning to accept herself for who she is. Trans
VOA慢速英语2008年（五）月
Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas
60秒科学