[病毒] 鼻病毒疫苗

SCIENCE IN THE NEWS - Killer Virus Brought Back From the Pas

SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE

发表于:2019-01-02 / 阅读(60) / 评论(0)

科技之光

Experimental Vaccine May Help Stop Spread of Ebola

Health workers say an experimental vaccine may help to stop the spread of Ebola virus disease in the Democratic Republic of Congo. The vaccine is called V920. The drug maker Merck has shipped about 8,600 doses of V920 to the northeastern DRC. The Wor

发表于:2019-01-03 / 阅读(30) / 评论(0)

2018年VOA慢速英语(五)月

VOA标准英语2012--Clues Found for AIDS Vaccine Trial Success

Clues Found for AIDS Vaccine Trial Success In 2009, a study in Thailand proved for the first time that an AIDS vaccine was possible. But scientists were not sure why it offered some protection. Now they have some clues. The Thailand study looked at a

发表于:2019-01-13 / 阅读(31) / 评论(0)

VOA标准英语2012年(四月)

VOA标准英语2011--SIV Vaccine Holds Promise for AIDS

SIV Vaccine Holds Promise for AIDS Researchers are excited about a vaccine they have developed that protects rhesus monkeys from infection with a primate version of the AIDS virus. They hope to use what they've learned to develop an agent that preven

发表于:2019-01-14 / 阅读(53) / 评论(0)

VOA标准英语2011年(五月)

英语听力—环球英语 1284 Vaccine for HIV

Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Since 1981, more than 30 million

发表于:2019-01-19 / 阅读(42) / 评论(0)

环球英语 Spotlight

VOA常速英语2007-Vaccine-Derived Virus Threatens Nigeria's Polio

By Gilbert da Costa Abuja 26 October 2007 A rare outbreak of vaccine-derived polio in Nigeria has prompted fears that current efforts to eradicate the disease in northern part of the country could suffer a major setback. The World Health Organization

发表于:2019-01-31 / 阅读(45) / 评论(0)

2007年VOA常速英语（十月）

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学英语单词

1-Oxacephalosporin

ability to borrow overseas

actin-binding

acyl fluoride

amyl isorhodanate

auditing general standard

bidirectional data flow