单词：gelotologist
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This is the VOA Special English Health Report. Shy people often avoid situations that force close contact with other people. They worry that something they say or do will make others laugh at them. But some people worry much more than others about be
VOA慢速英语2009年（十二）月
Motorola is a manufacturer of wireless mobile phones, two-way radios, microprocessors and wireless network infrastructure equipment. Its website says: Motorola is a global communications leader powered by a passion to invent and an unceasing commitme
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This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi
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Supreme Court nominee Judge Sonia Sotomayor is spending a third day answering questions before the Senate Judiciary Committee. Lawmakers continued to ask Sotomayor about her past rulings as a federal judge, and statements she has made, as they consi
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By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c
2006年VOA标准英语（十一月)