痘病毒

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(105) / 评论(0) 分类 VOA标准英语2013年(一月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I am Steve Mirsky, got a minute? With swine flu, the big infectious disease story, you don't hear much about bird flu these days. And you may not have to look past your own nose for the reason because

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(五)月

The One With The Chicken Pox 本集简介: Phoebe's Navy man (Ryan) is in town for two weeks, but their plans are foiled because Phoebe has the chicken pox, and gives them to him as well. Monica tapes oven mits to their hands so they won't scratch.

发表于:2019-01-06 / 阅读(122) / 评论(0) 分类 老友记(六人行)

DEVELOPMENT REPORT – February 4, 2002: WHO and Smallpox By Jill Moss This is the VOA Special English Development Report. The World Health Organization has delayed the destruction of the last remaini

发表于:2019-01-07 / 阅读(177) / 评论(0) 分类 农业与发展

This is not a word for word transcript. William: Hello and welcome to 6 minute English. I hope you're ready for another five minutes and fifty-five seconds of wonderful English language conversation about an interesting topic from BBC News. I'm Willi

发表于:2019-01-07 / 阅读(178) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(一)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(203) / 评论(0) 分类 2006年NPR美国国家公共电台

From NPR News in Washington, I'm Jack Speer. Today Judge Sonia Sotomayor described her judicial philosophy as fidelity to the law. Her opening statement capped the first day of her confirmation hearing to the Supreme Court. NPR's Ari Shapiro reports

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 2009年NPR美国国家公共电台7月

AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet

发表于:2019-01-12 / 阅读(134) / 评论(0) 分类 2015年VOA慢速英语(八)月

Discovery Could Lead to New Drugs to Block Deadly Viruses Viruses are strange things. Though there is some scientific question about whether viruses are alive or not, they do have a basic genetic structure that allows them to be biologically active.

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2013年(三月)

SCOTT SIMON, HOST: There was an uproar in biology recently when scientists announced they'd used bits of DNA to manufacture a pox virus. Critics said the work is dangerous. Research teams had essentially published a recipe that could help terrorists

发表于:2019-01-16 / 阅读(129) / 评论(0) 分类 2018年NPR美国国家公共电台2月

STEVE INSKEEP, HOST: The Pentagon is funding some new research on insects and plant viruses. It says the goal is to protect agricultural crops. Some critics say it looks more like an attempt to make biological weapons. Here's NPR's Dan Charles. DAN C

发表于:2019-01-17 / 阅读(162) / 评论(0) 分类 2018年NPR美国国家公共电台11月

病毒存在了多少年,我们人体内有多少基因?这些科学问题来让我们揭晓。 William: Hello and welcome to 6 minute English. I hope you're ready for another five minutes and fifty-five seconds of wonderful English language conv

发表于:2019-01-23 / 阅读(193) / 评论(0) 分类 一起听英语

By Pat Harris Washington, DC 09 May 2006 watch Virus report Marburg Ebola Virus The Marburg and Ebola viruses have caused fatal outbreaks in Africa for the past four years. A recent study shows a vacc

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 2006年VOA标准英语(五月)

HEALTH REPORT - October 16, 2002: Debate About Smallpox Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American medical groups are urging the government to limit the use of

发表于:2019-01-30 / 阅读(146) / 评论(0) 分类 健康与环境

About a month ago Sharon Gilbert was hit with a runny nose, sore throat and a cough. The whole snotty works. 大约在一个月前,莎伦吉尔伯特(Sharon Gilbert)出现了流涕、咽喉疼痛、咳嗽等一系列令人烦恼的症状。 A few w

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Marine biology 海洋生物 Flea market 跳蚤市场 A newly discovered virus may be the most abundant organism on the planet 一种新发现的病毒可能是地球上最丰富的物种。 WHAT is the commonest li

发表于:2019-02-04 / 阅读(157) / 评论(0) 分类 经济学人科技系列

一次咳嗽会产生2万个病毒 The next time you cough or sneeze, there is good reason to cover your mouth. As many as 20,000 viruses are expelled in an average cough, which may be sufficient to infect many people - particularly those who are not

发表于:2019-02-05 / 阅读(151) / 评论(0) 分类 实用英语

MADRID, July 9 (Xinhua) -- Athletic Club Bilbao defender, Mikel San Jose has been forced to withdraw from the Spanish football squad for the 2012 Olympic Games because of an attack of chicken pox. The central defender has to leave the Spain training

发表于:2019-02-07 / 阅读(151) / 评论(0) 分类 英语新闻
学英语单词
acid-converted syrup
anisozygote
antitetanicum sera
astronomic latitude
bacteriochlorophyll protein
becuiba nut
Beneuron
blogsites
boghedite
brachygraphies
calcined limestone
carbon-oxygen equilibrium
cellulitic
coarctation of aorta
Cook County
Cotoneaster hebephyllus
counter-mount
covered-interest arbitrage
crystal structure of complex
cylinder-glass
daily amount
date written
day-centre
double precision quantity
Dublovice
dummy tube
e.h
electrifies
EOA (end of address)
farm credit systems
fish way
flexible roller cage
foot disease (of european oyster)
full synchromesh
geothermic
get into office
gotten stuck
Gramadal, Pta.
gravity equation
hamipneustic
have a poor appetite
holographic science
homodynamic hybrid
houlds
hp (high pass)
icherrhemia
incapableness
intelligentize
Isonoe
jannette
jaw-jawing
kausmann
Kavarna
learning enterprise
light-sensitive layer
login script
mackensite
nitro-glycerine
non-central t-distribution
non-territorial
on one's head
Ouaga
overboil
pedati-
photoinductive
plaster-off
plotting sheet
plunge baths
premaxatendon
PREPPSA
quick-acting fertilizer
rebounded sand
sacker
sallee
seaborne commerce
semimalleable
septa of ventricles of heart
sets of data
shiksehs
simplex printing
sparkplugs
spirochetal arthritis
static longitudinal stability
steam for fire-extinguishing
suppository base
Tasty-Taldy
technological life
Thalberg, Irving (Grant)
thirl
tikker
tire-pressure
today's special
total mileage
tractus cerebellothalamicus
transcursory
trihydrate alumina
Tāherū'ī
uniform resource locator
vanadium oxytrichloride
variable-width sub-band
wake and bake
Zuccotti