单词：sericin(e)
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Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
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By David Gollust Washington 29 May 2007 Top Bush administration officials said Tuesday President Bush decided to seek new sanctions against Sudan in the face of continued stalling by Khartoum on an upgraded peacekeeping force for Darfur. They say the
2007年VOA标准英语（五月）
Former U.S. Federal Reserve Chairman, Alan Greenspan, has predicted further negative impacts for Americans from the U.S. and global financial crisis, which he called a credit tsunami. VOA's Dan Robinson reports, Greenspan and two other current and f
VOA标准英语2008年（十月）
The resignations of 11 Hezbollah cabinet members in Lebanon has plunged the country into its worst political crisis since 2008, when sectarian street clashes claimed dozens of lives and brought Lebanon to the brink of another civil war. The so-called
VOA标准英语2011年(一月)
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da
词汇大师(Wordmaster)
By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs
2006年VOA标准英语（五月）