na. 电脑病毒(破坏电脑之程式,又称 soft bomb)
[网络] 计算机病毒;电脑病毒让人头痛

From VOA Learning English, this is the Health Lifestyle report. In 2016, three viruses made news, and they present difficult problems for health officials in the New Year. One virus threatens babies in many parts of the world. Another has reappeared

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 2017年VOA慢速英语(一)月

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(54) / 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(62) / 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(55) / 评论(0) 分类 Scientific American(五)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(118) / 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. We can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such ma

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

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(76) / 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(150) / 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(72) / 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(86) / 评论(0) 分类 2015年VOA慢速英语(八)月

Banana Protein May Be Virus Killer 香蕉的蛋白质或是病毒杀手 From VOA Learning English, this is the Health Lifestyle report. 这里是VOA健康生活频道 Bananas are often called the perfect food. 香蕉一直都是完美食物 They are

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2015年VOA慢速英语(十一)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(85) / 评论(0) 分类 VOA标准英语2013年(三月)

DAVID GREENE, HOST: On the island of Borneo in Malaysia, there is a cave that tourists from all over the world love to come to visit. It is called Gomantong. But this cave, it turns out, has a secret. It could have all the elements needed to start a

发表于:2019-01-16 / 阅读(72) / 评论(0) 分类 2017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(117) / 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(121) / 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(119) / 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(60) / 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(100) / 评论(0) 分类 经济学人科技系列

This is Computer Viruses and Threats explained by Common Craft 本期介绍电脑病毒及预防。 You've probably been sick before. It's not fun.In many cases, like the flu, you're sick because of a virustiny germs ready to multiply and spread from

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 英语万花筒

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(87) / 评论(0) 分类 实用英语
学英语单词
-abilities
...as if
acquisition by cession
AIDS-related virus
alqueria de la condesa
amt
aneroidogram
appreciations
backup protection equipment
Bahmani
Bank of China Tower
be flat
blank head
botryobasidium musaisporum
cave-dweller
Cladophoreae
constant false alarm rate
craber
criminal proceeding
damoisel
day's work
delta-ring
dihydrate
doing with
electro-optical phenomenon
energy distribution curve
enspice
equivalent length on penetrated crack
ethoxalyl-
Fargesia semiorbiculata
flame stitches
flat-four engine
Forsbrook
frutescent
gaveston
giblet
Gorkhe
granbies
Hedyotis ovata
heteropelmous
incorrect signal
inverse order type
Jenday
justicia brandegeeana
kmetia ampelopsidis
krelagine
lecithymen
light tape
limonitization
longitudinal fibers
marine biological laboratory
meconalgia
meta-cresol
metagrippal
micro-capillary interstice
military significant facilities map
misrecognitions
modes of cognition
mycoplasma laboratorium
nephromopsis morrisonicola
network analysis team
nikkeijins
Ognjoljub
one-episode
order-hardening
overbranded
owndoms
phosphatidyl cholinase
phytelephass
picture content
pre-part
programed logic
punktal lens
put ... to work
racemose gland
radiation injury of gut
RCFC
re-tiling
recapitulation theory
recursive-defined operating system
reprogrammable
rise and shine
sandboarding
scowp
seaside daisy
sectionalized casing
shaddas
shepherdry
signifyin'
solid particle colloid
soloistic
sophias
sympathology
takedas
tetanic cata-ract
throat teeth
to the best of someone's knowledge
transitional phase (intermediate phase)
tread on someone's corn
twin-motor
underassess
zincweiss