异助间型霉素

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 VOA标准英语2008年(八月)

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

发表于:2018-12-16 / 阅读(135) / 评论(0) 分类 VOA标准英语2011年(九月)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(157) / 评论(0) 分类 单词解析速记

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 2006年VOA标准英语(五月)

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

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2011年(八月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(151) / 评论(0) 分类 2017年NPR美国国家公共电台1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

发表于:2019-01-25 / 阅读(198) / 评论(0) 分类 词汇大师(Wordmaster)

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(233) / 评论(0) 分类 2006年VOA标准英语(九月)

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

发表于:2019-02-04 / 阅读(180) / 评论(0) 分类 2006年VOA标准英语(五月)