鼠痘

High-Tech Images Show How Viruses Infect Cells At the University of Texas Medical School at Houston, Jun Liu uses a powerful electron microscope to examine E. coli bacteria and the tiny T-7 virus that infects them. Liu says until now, scientists coul

发表于:2018-12-16 / 阅读(58) / 评论(0) 分类 VOA标准英语2013年(一月)

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

发表于:2018-12-17 / 阅读(74) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(八)月

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(94) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 2018年VOA慢速英语(六)月

By Sabina Castelfranco Rome 07 March 2006 Animal health experts from the United States, European Union and UN agencies have agreed on the creation of a new crisis and coordinating center to combat the

发表于:2019-01-06 / 阅读(105) / 评论(0) 分类 2006年VOA标准英语(三月)

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

发表于:2019-01-07 / 阅读(111) / 评论(0) 分类 VOA2004(上)--各类新闻

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

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 2006年NPR美国国家公共电台

By Pat Harris Washington 12 April 2006 Watch Fat Virus report Obesity is a growing problem around the world. In the United States, for example, almost one-third of the adult population is overweight.

发表于:2019-01-09 / 阅读(111) / 评论(0) 分类 2006年VOA标准英语(四月)

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

发表于:2019-01-09 / 阅读(114) / 评论(0) 分类 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

发表于:2019-01-09 / 阅读(100) / 评论(0) 分类 英语新闻

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

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 2016年VOA慢速英语(二)月

By Sabina Castelfranco Rome 27 June 2007 Health and veterinary experts have singled out Indonesia, Egypt and Nigeria as countries where the risk of bird flu contagion is particularly worrisome. Gathered at the U.N.'s Food and Agriculture Organization

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 2007年VOA标准英语(六月)

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2011年(十二月)

'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

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2011年(九月)

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

发表于:2019-01-30 / 阅读(201) / 评论(0) 分类 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

发表于:2019-02-12 / 阅读(105) / 评论(0) 分类 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

发表于:2019-02-14 / 阅读(79) / 评论(0) 分类 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.

发表于:2019-02-17 / 阅读(100) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
Abyad
aggregate model of the economy
Al 'Uzayr
all work,all-work
alternate history
anodize, anodising
atomic polarity
besmircher
binary point
bow screw
branch ledger
bubbles
check this out
christia
complementary non-return-to-zero change on one
constant speed shaft
cop-shop
couples-only
culture and education expenses
deficit covering financing
degreaser
disconcertion
double-bevel butt weld K
dual federalism
ebb out
edgetone amplifier
eilats
electric discharge laser
electromagnetic ship
electron shielding
epilogisms
event response
exterior-strengthening and sweat-reducing prescription
face grinding wheel
flash vaporization
gatemixer
Genemī
gerontophiles
haircast
half-size card
highest intercostal vein
horizontal arch element
horn bowsprit
hydraulic power line
identical twelvemonth period
in the use of
interrogator-responsor
involucrums
Jazi
jdas
jet-hop
Jianyang
let sb in on a secret
limiter electrode
logic driver
Lower Permian
maso
mean sea-level
Mebryl
Medemblik
misconversions
mounted cylinder
outstand
overdyes
Paint L.
parent gelatin
phanelle
Phenethylhydrazine
pinp
posterior scrotal branches
postexed
prefinalist
pseudoelastin
repressilators
reworked tuff
ring castelia
roadway bucket
run an enterprise
sangui-
scheduling software
self-lubrication
slew-rope
slow-thinking
snorkel head valve
snow guns
soap-operas
spinning fluid
stationary bubble
storage access time
strutted one's stuff
system diagonostics
thiooxidant
treacle sleep
unbeseeming
unitisation
variola vaccinia
vizcayas
Warren's test
well and good
westby
World Food bank
wrec