固定毒株(经动物传代后减毒的狂犬病病毒)

WHO: Balanced Approach for New Bird Flu Virus Strain In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the rese

发表于:2018-12-08 / 阅读(153) / 评论(0) 分类 VOA标准英语2011年(十二月)

Dialogue 5 (between customer and repairman) Laurance- How long do you think it'll take to fix it? Soony- Hard to tell. Sometimes we can find the problem right away and sometimes it may take an hour or

发表于:2018-12-10 / 阅读(134) / 评论(0) 分类 英语经典听力对话

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(91) / 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(109) / 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(143) / 评论(0) 分类 Scientific American(八)月

现代酒店英语实务教程 16(文秘服务)

发表于:2018-12-30 / 阅读(193) / 评论(0) 分类 现代酒店英语

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(135) / 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(113) / 评论(0) 分类 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

发表于:2019-01-07 / 阅读(150) / 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(108) / 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(192) / 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(146) / 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(156) / 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(147) / 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(108) / 评论(0) 分类 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

发表于:2019-01-13 / 阅读(118) / 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(240) / 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(140) / 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(121) / 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(138) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
activating agents
active dydrogen compounds
advance of shoreline
AEEA
aliphatic nitrate
alleviating asthma and cough
amount of an ordinary annuity
androgeny
balsam of copaiba
Barunga
bid deadline
bilbergia
blinking characteristic
bond types
break-thrust
Bucuresti
Bulgakovian
bunnier
car valve spring wire
centralized backup
centranthuss
chemisettes
coldslaw
computerized turbine automated design system
congenital stricture of small intestine
customs clearance fees
depthkeeping
desaparecidos
Discocyclinidae
drawing-practice
dressmaking
drugmanite
ecardine
effective moment of inertia
enrile
equal delay angle control
equilibrium period
excitation coil
executive stream
facial plane
female repro ductive system
fine-tuner
flat knots
flukiness
gangwayed
Gwynedd
had eyes for
harbo(u)r floating crane
Harold Lloyd
hydroscopist
incoincidence
inversion of chord
inverted emulsion mud
Kiefer process
laevo-rotation
learning drive
lens-clip
levelling loops
lifo/fifo number
Longnan
lxxxviiest
lymphosarcoma of the prostate
Lysinuria
marble cloth
market - oriented economy
Marlow's tests
Menodrin
minutenesses
multi-dimensional scaling
multiply-divide unit
nerney
nocardin
norm-creatings
Ohara's disease
oncogenomic
paradoxical stimulation
pumping depression cone
Rahola
re-introducing
Rebahia
red cotton-tree
residual minerals
returnship
road-goose
silanization
somatic sensory systems
step transformation
Stradivariuses
submerged cultuse
subminiature tube
Sudan grass
surpassingly
swan-flower
towndrow
tug arch
tuzlas
unbagging
ungulates
uniform porosity
valve probe
water-jacket top cover
yort