[网络] 双层病毒

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(81) / 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(82) / 评论(0) 分类 Scientific American(五)月

Nothing out here seems familiar 这里似乎物是人非 I wish I could be home again 我希望我能再次回家 All I have left of the memories 一切成空只留回忆 And also has come to an end 而回忆或许也会随风而逝 But my bed isn't

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 听歌学英语

By Shally Zomorodi Los Angeles, CA 01 February 2007 watch Mozane report The two members of the pop duo Mozane have been working together for just five years, but have known each other for their entire lives. VOA's Shally Zomorodi reports the group's

发表于:2019-01-07 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(二月)

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(154) / 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(110) / 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(181) / 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(121) / 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(113) / 评论(0) 分类 2015年VOA慢速英语(八)月

Americans Misty May-Treanor and Kerri Walsh have won their second Olympic gold medal, defending the beach volleyball title they won four years ago in Athens, Greece. From Beijing, VOA's Jim Stevenson has more on their latest victory on the sand. Mis

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 VOA标准英语2008年(八月)

Duo Civil Wars Releases Debut Album While Joy Williams and John Paul White of the Civil Wars may sound like they're in love when singing some of the songs on their debut, the pair is not in a romantic partnership, just a musical one. The duo recently

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2011年(七月)

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(119) / 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(139) / 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(162) / 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(166) / 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(90) / 评论(0) 分类 阅读空间

I still get lost inside your eyes 总是留恋于你的双眼 Since the day we met they get me every time 每次我们见面,它们都能令我着迷 Soon, it won't be us. It'll be us three 很快我们俩就要变成我们三了 I hope I see you w

发表于:2019-02-01 / 阅读(90) / 评论(0) 分类 听歌学英语

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(131) / 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(127) / 评论(0) 分类 实用英语

DAVID GREENE, HOST: This is the story about two women, a doctor and a mechanical engineer. They came together to study one of the most basic parts of human life - pregnancy and labor. That's because there's a lot we just don't know. NPR's Alison Kodj

发表于:2019-03-17 / 阅读(374) / 评论(0) 分类 2019年NPR美国国家公共电台2月
学英语单词
.xlt
a far cry
adenosarcorhabdomyoma
alteration of intestinal flora
antiperistaltic
arsenoxide
assume office
atum
barium peroxosulfate
Basedow
be dressed in
become knowledgeable and professional
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blow-pipe test
braxy pie
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castle in the sky
catadyne
central visionmixer
chemical imbalance
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Collocalia
consumation
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Currency Certificate
cyct
diagnostic significance of five colors
eagles
Edemol
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fixed depth
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genus staphyleas
Ghedaffi
glype
halophytic fiber plant
herefords
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i.d.p.
interleaved 2 of 5 bar code
intermediate density lipoprotein
intra-generational
isopropanol-water mixture
iuglour
jesmin
keyable
knee-jerk liberal
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local production
luciogobius saikaiensis
maglev
mean horizontal indensity
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Nodosoclavator
nucleolytin
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onryza maga takeuchii
ortalotrypeta ziae
outglowing
pancit
Pelada, I.
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Punekars
RHIA
rotation mechanical impedance
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Saxifraga subtsangchanensis
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sentence symbol
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spectrophotofluorimetry
Tell that to the Jews.
thermocycles
topping device
Toyo Tire
transverse outlet
turn compensation pick up
Tyler, Wat
uphill shaker
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