小球病毒组

越来越多的人居住在异国他乡。有三到四个身世来源的作家皮柯.耶尔(Pico Iyer) 思索着家的意义,旅行的乐趣和静止的平和。

发表于:2018-12-09 / 阅读(144) / 评论(0) 分类 TED公开课:地球村

[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课: [0:07.918]What Is DNA? 什么是DNA? [0:10.668]THINK ABOUT IT! 想一想! [0:12.400] Do you and the students near you look the sam

发表于:2018-12-10 / 阅读(179) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

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(94) / 评论(0) 分类 VOA标准英语2013年(一月)

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Mike Procter. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sounds of traffic! You can h

发表于:2018-12-19 / 阅读(118) / 评论(0) 分类 环球英语 Spotlight

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(94) / 评论(0) 分类 Scientific American(五)月

SCIENCE REPORT - January 2, 2002: New Cold Drug By Nancy Steinbach This is the VOA Special English Science Report. American researchers say they have developed the first drug that can effectively trea

发表于:2019-01-07 / 阅读(143) / 评论(0) 分类 科技之光

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(168) / 评论(0) 分类 六分钟英语

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(194) / 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(147) / 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(126) / 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(135) / 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(151) / 评论(0) 分类 2018年NPR美国国家公共电台11月

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(188) / 评论(0) 分类 2006年VOA标准英语(五月)

Vieques Controversy May Persist After the Bombing Ends Michael Bowman Miami 18 Jun 2001 22:05 UTC Protests continued Monday on the Puerto Rican island of Vieques, days after the Bush administration an

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 VOA2001-国际风云(1)

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(146) / 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(141) / 评论(0) 分类 实用英语

LONDON Whats being billed as the future of skin care starts suspiciously like a visit to the dentist: with a mouthwash gargle. Thats to eliminate debris that may interfere with a good saliva sample, from which DNA will be extracted and serums tailore

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 阅读空间

Japanese designer Pico has combined her love of cats and handbags to create highly realistic purses. The bags are shaped like kitties with whiskersand tails. Each cat-bag is priced at about $500 to $700, but buyers dont seem to mind the steep pricing

发表于:2019-02-07 / 阅读(113) / 评论(0) 分类 阅读空间

DNA Technology Helps Famers Identify Crop Diseases It is often difficult for farmers to identify diseases quickly enough to protect their crops and those on neighboring farms. Now, some farmers are using a simple device directly in the field to find

发表于:2019-02-13 / 阅读(273) / 评论(0) 分类 2019年VOA慢速英语(一)月

Lana Del Rey 微电影《Tropico》!电影艺术赋予了这个倾倒众生的女人一个展示灵魂的机会,这是你无法在平时见到的美丽躯体,意味深长的镜头切换唤醒了我们对于神秘之美的好奇,玄妙的音乐如

发表于:2019-02-17 / 阅读(116) / 评论(0) 分类 流行英文歌曲
学英语单词
-oth
accident due to poor quality of service
achiles reflex time
address reference
anticiflation
apertura labyrinthica canaliculi cochle?
arch beam
be CAH
Belém de São Francisco
Betula pendula
billiard-ball
blind concave
book block
cargo supervision and control
chain polymerization
chauld
condition of the country
Continuous Blow Down
costal stigmata
creep over sb
criptic
culleis
cysticercus bovis
dayanum
deep-submergence rescue vehicle
diffusion junction
district-ranger system
door-prize
Ear Pods
end machining tool
engyns
equal suffrage
equipment concrete block
escape rocket
fetch/load
French West Indies
gaas/algaas heterojunction bipolar transistor
gas-bubble
gastroenterostomy
gearbox-case
Get off with you!
globule method of arcing
goings and comings
gray collie disease
green flax
grossarts
grounding voltage
heat converter
hingson
hold deck
indictive
intercity mode
Jay Cooke
Jφkelbugten
liquid nitrogen treatment
luminance brightness
lymph plexus
Maroseranana
measuring telescope
Mendeleyev
methyl ethyl ketoxime
methylhydantoi
minimum reception altitude
night-glow of the sky
nonfragmenting projectile
nonhaploid
nonpapist
oceania important cities and historical sites
oxygens
oxyselenides
parts distribution
passive compensator
payroll sheet
pelting down
personal appeal
pilosine carpidine
pipeline coal
pirelli
piritrexin
plastic deformations
probe into
public relations law
reel case
refirings
regauge
retrieval
sanctioner
sense of shame
shintech
Sigep, Tg.
slow-twitch
spaceless
street-markets
sulphide zone
sum-of-the-year's-digits method
Sykrimin
synthetic phonics
thromboclastic
time path
traffic theory
unsexuality
unsupported flank