一氟代乙酸胺

奥巴马每日发言Government Actions to Address the H1N1 Flu Vir

Remarks of President Barack Obama Weekly Address Saturday, May 2, 2009 Over the last week, my administration has taken several precautions to address the challenge posed by the 2009 H1N1 flu virus. Today, Id like to take a few minutes to explain why

发表于:2018-12-30 / 阅读(30) / 评论(0)

美国总统每日发言

WHO Warns Of More Human Deaths After Bird Flu's Latest Victi

By Nancy-Amelia Collins A World Health Organization official has warned of the likelihood of more human deaths from the bird flu virus, after the death of a teenage boy in Thailand this week. On Wedne

发表于:2019-01-04 / 阅读(43) / 评论(0)

VOA2004（下）--健康科技

2006年VOA标准英语-First Avian Flu Outbreak Hits Africa

By John Shields Washington 10 February 2006 watch Africa Bird Flu report Chickens for sale in a Lagos market The World Health Organization says this week's outbreak of the deadly H5N1 avian flu virus

发表于:2019-01-07 / 阅读(118) / 评论(0)

2006年VOA标准英语（二月）

VOA标准英语2009年-Talk of Swine Flu Parties Goes Viral

Doctors warn intentional infection not a good idea Alex Villarreal | Washington, DC 17 December 2009 CDC says the best step to protection is vaccination Many Americans are doing all they can to avoid the H1N1 virus. But talk in the news and on the In

发表于:2019-01-13 / 阅读(40) / 评论(0)

VOA标准英语2009年(十二月)

2006年VOA标准英语-Indonesia Confirms 42nd Bird Flu Fatality

By Chad Bouchard Jakarta 20 July 2006 A worker carries chickens to be delivered to markets at a farm in Jakarta, July 20, 2006 Health officials in Indonesia confirmed on Thursday that a 44-year-old man died of avian influenza just outside Jakarta la

发表于:2019-02-04 / 阅读(81) / 评论(0)

2006年VOA标准英语（七月）

2006年VOA标准英语-French Researchers Develop Bird Flu Vaccin

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(113) / 评论(0)

2006年VOA标准英语（五月）

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学英语单词

Aglossa

air entraining cement

apomorph

background collimating point