单词：ryridomycin
单词：ryridomycin 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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By Deborah Tate Washington 11 January 2007 A day after President Bush announced a revised strategy for the Iraq war, a plan that includes an additional 21,000 troops for the country, U.S. Secretary of State Condoleezza Rice came under hostile questi
2007年VOA标准英语（一月）
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 Gilbert Da Costa Abidjan 14 February 2006 Reports that the bird flu virus is spreading in Nigeria is putting tremendous pressure on poultry farmers in the West African country. Birds for sale on La
2006年VOA标准英语（二月）
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）