=common cold viruses

There’s a news poll out tonight on another major controversy: human cloning. When asked whether scientists should be able to clone human, 85% said no, 11% said yes. Congress is working on legislatio

发表于:2018-11-28 / 阅读(174) / 评论(0) 分类 疯狂英语2002年

A professor of public health with Peking University is holding his ground on downplaying the dangers of plasticizers and melamine at a liquor brand conference, but wants to apologize for making the comments. Professor Li Keji, sparked public anger af

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 2013年NPR美国国家公共电台1月

Hello, Im Dr. Joe Bresee with the CDC Influenza Division. Im here speak with you today about swine flu. First Ill begin by explaining what swine flu is. Swine flu is a respiratory disease of pigs caused by type A influenza viruses. Outbreaks of swine

发表于:2018-12-11 / 阅读(100) / 评论(0) 分类 英语解说豆知识2009年

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(77) / 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(78) / 评论(0) 分类 Scientific American(五)月

With swine flu the big infectious disease story, you dont hear much about bird flu these days. And you may not have to look past your own nose for the reason. Because a new study finds that bird flu viruses may have trouble getting a good foothold i

发表于:2019-01-02 / 阅读(121) / 评论(0) 分类 60秒科学

Prehistoric people may have hunted and killed other members of their own species and eaten them, but probably not for food. That is what a new study written by James Cole of the University of Brighton in England says. Cole says compared to large anim

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 2017年VOA慢速英语(四)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(150) / 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(179) / 评论(0) 分类 2006年NPR美国国家公共电台

AS IT IS 2014-08-19 Ebola Kills More Than Humans 埃博拉病毒所杀害的不仅仅是人类 The Ebola virus has killed more than 1,000 people in West Africa. But it also threatens wildlife, like the severely endangered western lowland gorilla. VOA

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2014年VOA慢速英语(八)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(111) / 评论(0) 分类 2015年VOA慢速英语(八)月

By Deborah Block Washington, DC 24 January 2006 watch Bird Flu Database report A computer database in the United States is helping researchers find a human vaccine for the bird flu virus -- a disease

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(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(114) / 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(136) / 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(160) / 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(85) / 评论(0) 分类 阅读空间

音乐咖啡厅:Shayne Ward - Human 相关介绍:真诚友善的微笑,帅气阳光的脸庞,柔情健康的情歌全球3,000,000张专辑销量,全球15白金奖(15 global platinum awards),这就是他,Shayne Ward,一出道就感动英国

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 音乐咖啡厅

The time is 1905. A steamship sails on a vast ocean. Daddy, will we ever get to America? asks a weary lad. Soon, my child, soon, his father replies. We've been on this ship for weeks. I wish we were back home in Russia, complained the boy. Son, you k

发表于:2019-02-07 / 阅读(78) / 评论(0) 分类 实用英语

Pre-Listening Vocabulary habitat: the place where living things live extinction: the state of no longer existing threatened: facing a possible risk of extinction 24/7: all day and night; at all times human intervention: the involvement of humans Habi

发表于:2019-02-08 / 阅读(164) / 评论(0) 分类 Facts-事实

The Ebola virus has killed more than 1,000 people in West Africa. But it also threatens wildlife, like the severely endangered western lowland gorilla. VOAs Steve Baragona reports that the spread of Ebola shows how animal diseases spill over the barr

发表于:2019-02-16 / 阅读(91) / 评论(0) 分类 英语语言学习
学英语单词
acyrological
adjustable range
alicyclie
anerythro(ble)psia
angular capital
argumentum ad captandum
armor-piercing discarding sabot
bonded foctory
boondaggers
category symbol
caudal sucker
centre-fire
Chinook Trough
circular dichroism spectrum
clavac(t)in
Clinton, De Witt
close boiling mixture
color fastness to daylight
column dried
constrained condition
cordrastine
critical water point
de Gua's rule
difference of observation
dragomir
drying
dubsteppers
eagre (bore)
effectrix
eicosyl iodide
Elatostema hypoglaucum
Ethiop line
fast ion
fault indicated brake system
figurative element of mark
first-in first-out list
floating - point number
footwalls
fra angelico
full-metal-jacket
fungibility
gamma bomb
gretl
halfnelson
heat-recovery
Horseshoe Falls
HVGR
intermediate plant
jiningite
kalus
labour-hours
lateral thrust unit compartment
lindenberger
linearly-graded junction
linkage flag
loyality
manufacturer's serial number
maximum indemnity norm
mechanical interlocking protective switch
midportion
mirror with glass foot
mis-savour
Monkey Dust
mourningcoach
multigens
needle-in-a-haystack
non-executive directors
nonequilateral
obconic
opiz's disease
parking tickets
perforation of ear lobule
periodical physical examination
plexus nerve
Prambanan
pull these off
rack one's head
runny
sandfly fever
Schweigen-Rechtenbach
scimitar syndrome
self-magnetic energy
siliceous marl
sixas
sixteenth parts
so, yeah
space geomechanics
status crime
stock manipulation
sweat his guts out
tip leak
to slog
toss around
tripospermum myrti
Tsumacide
Tummo, Jab.
venous blood sinus
warp welt
waterfield
wen-chou