单词：potyvirus maize dwarf mosaic virus
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This is the VOA Special English Agriculture Report. Wheat supplies around the world are at their lowest level in thirty years. Wheat supplies in the United States are at their lowest in sixty years. But the United Nations Food and Agriculture Organi
VOA慢速英语2008年（二）月
SCOTT SIMON, HOST: When you talk to disease experts about what might alarm them, it's not Ebola or Zika. It's Nipah. It's as deadly as Ebola but attacks the brain, and it has the potential to spread by mere cough. As NPR's Michaeleen Doucleff reports
2017年NPR美国国家公共电台2月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Some people never forget a face. Others never forget a flu. Even if they were infected more than 90 years ago. A team of American scientists studied 32 p
Scientific American(八)月
Repairman: What can I do? Benjamin: The system crashed when I was surfing on the internet. Repairman: Did you go to any illegal website? Benjamin: No, But does that matter? Repairman: Yes, your computer can be easily infected by virus if you do that.
英语大赢家上册
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
科技之光
From VOA Learning English, this is the Health Lifestyle report. An outbreak of a brain-destroying virus is currently happening in the Kerala state of India. The number of people who have died from Nipah is relatively small. Officials from Indias Mini
2018年VOA慢速英语(六)月
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
VOA2004（上）--各类新闻
By Barry Unger Washington, DC 03 February 2006 watch Bird Flu Research report There are two new, experimental vaccines against bird flu that both make use of a cold virus and that both may work even i
2006年VOA标准英语（二月）
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually
Scientific American(十)月
Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible
2006年NPR美国国家公共电台
by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex
VOA2003（下）-环境与健康
CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the
英语新闻
This is the VOA Special English Agriculture Report. A farmer in his maize field near Arusha, Tanzania The maize streak virus causes one of the most destructive crop diseases in Africa. Not only is it economically damaging, it can also threaten food
VOA慢速英语2008年（九）月
AS IT IS 2016-02-14 Olympic Athletes Concerned About Zika Virus With the outbreak of the Zika virus in Brazil, national Olympic committees are discussing whether to send their athletes to the Games. Brazil reported the first case of Zika virus in May
2016年VOA慢速英语(二)月
'Contagion' Tracks Deadly Virus Local outbreaks of new diseases have occurred throughout history, but in this age of global jet travel and international commerce, a deadly virus can spread rapidly worldwide. That's what happens in Contagion, a grippi
VOA标准英语2011年(九月)
To stay is to face the certainty of snow and wolves. To go offers the chance of an easier life, but the uncertainty of the world beyond Yellowstone. Every autumn, thousands of elk do leave Yellowstone, and as they go, they cross an invisible line out
自然百科2012年
HEALTH REPORT - SARS Virus No Longer Such a Mystery By Cynthia Kirk Broadcast: Wednesday, July 27, 2005 I'm Shep O'Neal with the VOA Special English Health Report. SARS is a viral disease There is pro
健康与经济
By Steve Herman New Delhi 01 January 2008 India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year, VOA cor
VOA标准英语2008年（一月）
India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year,that one variant of the virus is actually on the in
VOA双语新闻 2008年1月
Scientists Produce Gene-Edited Chickens to Stop Spread of Flu Virus British scientists are developing gene-edited chickens designed to be fully resistant to the influenza, or flu virus. Wendy Barclay is one of the leaders of the gene-editing project.
2019年VOA慢速英语(一)月