持久性病毒

Lesson 68 Persistent 纠缠不休 First listen and then answer the question. 听录音,然后回答以下问题。 Why did Elizabeth tell Nigel that she was going to the dentist? I crossed the stree

发表于:2018-11-28 / 阅读(391) / 评论(0) 分类 新概念英语第二册

SCOTT SIMON, HOST: When you talk to disease experts about what might alarm them, it's not Ebola or Zika. It's Nipah. It's as deadly as Ebola but attacks the brain, and it has the potential to spread by mere cough. As NPR's Michaeleen Doucleff reports

发表于:2018-12-17 / 阅读(133) / 评论(0) 分类 2017年NPR美国国家公共电台2月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Some people never forget a face. Others never forget a flu. Even if they were infected more than 90 years ago. A team of American scientists studied 32 p

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(八)月

A persistent saleswoman A: I dont have any time to spare, Jenny. B: I understand youre a busy man, Mr. Black. I just wanted to show you these samples. A: No, Im sorry. Ive told you I dont have any more time and I mean it. Im afraid youre going to hav

发表于:2018-12-25 / 阅读(181) / 评论(0) 分类 办公室英语口语

SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE

发表于:2019-01-02 / 阅读(159) / 评论(0) 分类 科技之光

From VOA Learning English, this is the Health Lifestyle report. An outbreak of a brain-destroying virus is currently happening in the Kerala state of India. The number of people who have died from Nipah is relatively small. Officials from Indias Mini

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 2018年VOA慢速英语(六)月

WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that

发表于:2019-01-07 / 阅读(182) / 评论(0) 分类 VOA2004(上)--各类新闻

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(十)月

by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex

发表于:2019-01-09 / 阅读(180) / 评论(0) 分类 VOA2003(下)-环境与健康

CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the

发表于:2019-01-09 / 阅读(183) / 评论(0) 分类 英语新闻

AS IT IS 2016-02-14 Olympic Athletes Concerned About Zika Virus With the outbreak of the Zika virus in Brazil, national Olympic committees are discussing whether to send their athletes to the Games. Brazil reported the first case of Zika virus in May

发表于:2019-01-12 / 阅读(129) / 评论(0) 分类 2016年VOA慢速英语(二)月

Scientists Seek HIV Vaccine Using Monkey Model Traditional vaccine methods have been unsuccessful in preventing infection by HIV, the virus that causes AIDS. New techniques are being studied to boost antibodies or other parts of the immune system. Bu

发表于:2019-01-13 / 阅读(128) / 评论(0) 分类 VOA标准英语2012年(九月)

'Contagion' Tracks Deadly Virus Local outbreaks of new diseases have occurred throughout history, but in this age of global jet travel and international commerce, a deadly virus can spread rapidly worldwide. That's what happens in Contagion, a grippi

发表于:2019-01-13 / 阅读(136) / 评论(0) 分类 VOA标准英语2011年(九月)

Chinese President Xi Jinping told his U.S. counterpart, Donald Trump, in a telephone conversation late Wednesday that Beijing remains persistent on the denuclearization of the Korean Peninsula. CRI's Yu Yang has more. During the phone conversation, X

发表于:2019-01-19 / 阅读(160) / 评论(0) 分类 2017CRI中国国际广播电台

HEALTH REPORT - SARS Virus No Longer Such a Mystery By Cynthia Kirk Broadcast: Wednesday, July 27, 2005 I'm Shep O'Neal with the VOA Special English Health Report. SARS is a viral disease There is pro

发表于:2019-01-30 / 阅读(278) / 评论(0) 分类 健康与经济

By Mike O'Sullivan Los Angeles 08 March 2007 Los Angeles has hundreds of street gangs that lure inner-city youngsters into lives of crime. VOA's Mike O'Sullivan reports, the problem goes back many decades, but local officials say they are finally ma

发表于:2019-01-31 / 阅读(173) / 评论(0) 分类 2007年VOA标准英语(三月)

Nigeria's Boko Haram Remains Persistent, Mysterious Threat DAKAR The United States has formally designated the Nigerian militant sect, Boko Haram, and a splinter group, Ansaru, as foreign terrorist organizations. Boko Haram's propaganda videos have b

发表于:2019-01-31 / 阅读(135) / 评论(0) 分类 VOA常速英语2013年(十一月)

By Steve Herman New Delhi 01 January 2008 India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year, VOA cor

发表于:2019-02-12 / 阅读(178) / 评论(0) 分类 VOA标准英语2008年(一月)

Scientists Produce Gene-Edited Chickens to Stop Spread of Flu Virus British scientists are developing gene-edited chickens designed to be fully resistant to the influenza, or flu virus. Wendy Barclay is one of the leaders of the gene-editing project.

发表于:2019-02-17 / 阅读(171) / 评论(0) 分类 2019年VOA慢速英语(一)月

HOUSTON, Dec. 18 (Xinhua) -- The U.S. Coast Guard said on Tuesday that underwater inspections at the site of BP's 2010 rig explosion have failed to identify the sources of a persistent sheen on the surface of the Gulf of Mexico. Meanwhile, it said th

发表于:2019-02-18 / 阅读(139) / 评论(0) 分类 英语新闻
学英语单词
agwunobi
analytical equipment
assembly crew
attainable burnup
bean aphid
besmudged
bromo-phosphonium
carbon budget
catalytic activities
cell-like
centenaries
cilioretinal artery
Cistercian
clappered
Class A Shares
coffey-still
comma butterfly
cotton fabrics
cowboy hat
creep fracture
Cuban heel
cunning man
decathlete
designed speed
diagonal ventilation system
direct inward dialing (did)
displacement current
disposable palette
down-bearing goat
ductus ejaculatorius
DVIM
dysgenicss
Emilio
eragrostis fauriei
finger-bones
Frenolyse
fundmental disequillibrium
g-factor of nucleus or nucleon
genealogy of the rat
gimleted
growide
half bordered pit pair
helium content
Herposiphonia
high-level graphics programming instruction
human eye
hydrous silicate
in the collar
indenominable
interleaved subscripts
Kapustin Yar
lard oleine
last-appearance datum
lightning impulse current
lithe board
lithotritor
local porosity
loess
maplike skull
minimum growth temperature
mobile sampler
Mycobacteriaceae
neoprene pad
number and range of spindle speeds
open mining
opisthotic bone
ordinary photography
orthorhombic holosymmetric
parcel post package
percentage of product
period effect
perturbation of continuous spectrum
phase measuring equipment
placoids
posterior limb bud
preclusion
printing transmission density
raddol
radioactive isotope dilution method
ramjet exhaust nozzle
REPOL
rhamphorhynchoid
rotor depression
scooped it
size mark
swell and swale topography
Swevical
Swords Ra.
tank stroboscope
Tempe, Danau
the hammer and sickle
theory of laterally confined consolidation
tin-can
Tosaki-bana
transport loss
ulnar dorsal digital nerve
uncompensable
water control pivot
well cleanout
wet-edge agent
white-breasted