单词：siv
abbr. 猿猴免疫缺损病毒（Simian Immunodeficiency Virus）；系统信息显示（System Information Viewer）；结构性投资工具（Structured Investment Vehicle）
单词：siv 相关文章
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
2006年VOA标准英语（十二月）
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
VOA标准英语2008年（五月）
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
VOA标准英语2011年(五月)
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
2007年VOA标准英语（六月）