猿猴免疫缺陷病毒

2006年VOA标准英语-Young African Maids Seek Protection from Abusiv

By Nico Colombant Dakar 19 December 2006 Impoverished young women throughout Africa are sent into the homes of more affluent families, to work -- often in near slave-like conditions as maids. VOA's Nico Colombant reports from Dakar on a group trying

发表于:2019-01-12 / 阅读(219) / 评论(0)

2006年VOA标准英语（十二月）

VOA标准英语2008年-Obama Accuses Bush, McCain of Launching Divisiv

By Jim Malone Washington 16 May 2008 Democratic presidential contender Barack Obama strongly criticized President Bush and Republican rival John McCain Friday for what he called appalling, dishonest and divisive attacks. Obama's comments at a campaig

发表于:2019-01-13 / 阅读(222) / 评论(0)

VOA标准英语2008年（五月）

VOA标准英语2011--SIV Vaccine Holds Promise for AIDS

SIV Vaccine Holds Promise for AIDS Researchers are excited about a vaccine they have developed that protects rhesus monkeys from infection with a primate version of the AIDS virus. They hope to use what they've learned to develop an agent that preven

发表于:2019-01-14 / 阅读(261) / 评论(0)

VOA标准英语2011年(五月)

2007年VOA标准英语-Italians Deploy Massive Force to Protect Visiti

By Sabina Castelfranco Rome 07 June 2007 A massive security operation is being organized in Rome for the arrival of U.S. President Bush on Friday evening. Thousands of police officers will be deployed in the city and the air space will be closed as a

发表于:2019-01-31 / 阅读(267) / 评论(0)

2007年VOA标准英语（六月）

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学英语单词

absolute electrostatic unit

apertura thoracis superior

armigerous

attestment