单词：butocin
单词：butocin 相关文章
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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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）
September 7th 1940Nazi Germany begins heavy bombing of London and other major cities in Britain during WWII. CBS reporter Edward describes the devastation of what becomes known as the Blitz. One may see a light of flare definitely hit a number of cam
历史上的今天-2012年
September 7th 1940Nazi Germany begins heavy bombing of London and other major cities in Britain during WWII. CBS reporter Edward describes the devastation of what becomes known as the Blitz. One may see a light of flare definitely hit a number of cam
历史上的今天-2014年
September 7th 1940Nazi Germany begins heavy bombing of London and other major cities in Britain during WWII. CBS reporter Edward describes the devastation of what becomes known as the Blitz. One may see a light of flare definitely hit a number of cam
历史上的今天-2015年