肝脑脊髓炎病毒,正呼肠孤病毒,经典呼肠孤病毒

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(69) / 评论(0) 分类 VOA标准英语2013年(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(69) / 评论(0) 分类 Scientific American(五)月

But they don't ... do they want to sing, do they sing around you ? 但是他们 他们想唱歌吗 他们在你身边唱歌吗 Jayden hums, but he just doesn't really sing a lot. Jaydden会哼哼 但是他唱得真的不是很多 Um-hum, yeah. 这样啊

发表于:2018-12-26 / 阅读(82) / 评论(0) 分类 艾伦脱口秀

Rosenfeld: What are you going to have for lunch? If I told you I could serve you grilled cheese and a bowl of soup,wouldnt you be happy? 罗森菲尔德:你午饭准备吃什么呢?如果我告诉你,我可以为你提供烤奶酪和一碗汤,

发表于:2018-12-28 / 阅读(77) / 评论(0) 分类 世界500强CEO访谈

A cookie-favoring physicist has created what appears to be the world's first Oreo separator. 一个不喜欢夹心的物理学家制造出了世界上第一台奥利奥夹心分离机。 David Neevel, an artist and inventor based in Portland, Ore., w

发表于:2019-01-05 / 阅读(71) / 评论(0) 分类 英语新闻视频

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(135) / 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(93) / 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(169) / 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(94) / 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(104) / 评论(0) 分类 2015年VOA慢速英语(八)月

AS IT IS 2016-02-02 Trending Today: Vote For #Higa2016 This is Whats Trending Today. Hawaiian-born Ryan Higa is a comedian. He loves making people laugh. Last weekend, he posted a video on YouTube. The video is called How to Run For President! Since

发表于:2019-01-12 / 阅读(69) / 评论(0) 分类 2016年VOA慢速英语(二)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(101) / 评论(0) 分类 VOA标准英语2013年(三月)

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(128) / 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(138) / 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(146) / 评论(0) 分类 2006年VOA标准英语(五月)

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(75) / 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(118) / 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(113) / 评论(0) 分类 实用英语

U.S. firemen completed a rescue with a difference last week - by saving four trapped hamsters using tiny oxygen masks. 上周美国消防队员执行了一次与众不同的救援用氧气面罩拯救4只被困的仓鼠。 The stricken pets were caug

发表于:2019-02-07 / 阅读(75) / 评论(0) 分类 阅读空间

生活处处皆学问,想要学好,说好英语,你首先需要一双能主动发现英语的眼睛。下面这些零食虽然我们几乎天天都能见到,但不少人其实并不知道本身的英文名和发音,今天我们就来分享下

发表于:2019-02-20 / 阅读(75) / 评论(0) 分类 卡卡课堂早餐英语
学英语单词
accessions
acute suppurative pulpitis
adjustable ratio autotransformer
affinities
after-sound
air cargo agent
antiplasmins
autopipettes
be competent for
beach rampart
carya illinoinses
chernomyrdins
chilling point
colour-coded cable
computer-based messaging system
coreless
couchsurfing
cross check system
dade
desomorphine
DIAND
Eucalyptus citriodora
excitonic molecule
facultative chemoautotroph
faron
first-baseman
fleet streets
forest margin
galactopoiesis
Garara
genus ochotonas
Guatemala
hand held perimeter
heliographic coordinates
heshe
hydraulic ram pump
hysterauxesis
impregnated yarn
inductomeric
isothermal flow in pipe
La Ciénaga
Laval University
load vector
maclay
marble aggregate
massanutten
mast tackle
metaphysico-
mop ups
moschus moschiferuss
nandy
Neolitsea aurata var. glauca
Norwegian Patent
not in my backyard
noyon
orthographer
oval closure
phosglycin
planning program
poroplastic
previsive
pseudocercospora diversispora
radial head subluxation
rapid-curing material
ravina
rechurned
representative modul
rhodplumsite
rhone-style
roseworm
salt-fog resistance
Sidi Abdalah
sincerest
skin tone
SMAST
SMD-TMP
speere
spore prints
stage-capacity curve
Stew.
stragetic innovation
sync leader
syndrome of adverse rising of stomach qi
syndrome of deficiency of kidney qi
syrups
temperature indicating paint
tempestous
thalictiin
thinness number
thrust augmentation control
titanum
toluic anhydride
tow-hook
transistor power supply
transmisson test bay
Tsagan-Nur
unusuall
war-time medicine
wayside identification apparatus
white sale
windiness
window thermometer