[医] 亲皮性病毒

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(31) / 评论(0) 分类 VOA标准英语2013年(一月)

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(93) / 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(117) / 评论(0) 分类 2006年NPR美国国家公共电台

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(52) / 评论(0) 分类 2015年VOA慢速英语(八)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(84) / 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(96) / 评论(0) 分类 2006年VOA标准英语(五月)
学英语单词
a cowboy
adaptive communications
argonin
auxiliary attachment
back course sector
Bessy
bidding condition
black bryone
Bodenwohr
Brnsted's relation
cable charging breaking current
cajole sb into doing sth
camelina
carbobenzoxy
changelessnesses
char kiln
Circular Reef
cobweb cotton
come to me
contradict
countable noun
cross crack
definitive agglutination reaction
delk
differential pinion case
Dothan
elsen
environmental policy act
expression error
fastball
Fixed annuities
function control
gfk
ginging
God Rest You Merry, Gentlemen
grainspace
Great Caesar!
gyll
Hyacinthus candicans
hydrocharis asiatica miq.
ice prediction
intyre
jacobi's poikiloderma
Kennet, River
late injection
lateral gene transfer
lightening-caused fire
Little Hours
Lomexin
loses count
major path satellite earth station
marked out
meliola malacotricha
Metchnikoff's law
mid-way
monitor TV for yard and station
monochrome rendition
net trading profit
Nicolaitan
nitgrass
nominate subspecies
notwithstand
opacated
pellicular pore
Pepacton Res.
pest and disease control
pistrinum supper
polygonum dissitiflorum hemsl.
precipitinophoric
primer percussion
Pseudo-Phedrine
put the wind up sb.
quarrymaster
radar tracking control
Rehna
reyman
rumex crispus japonicus
Scattering.
sea defence
shcool
simple series
solapalmitenine
sorb
speed by RPM
St-Estèphe
standard retrieval
standards for special libraries
standing O
starchily
support overlay structure
suprachoroid
tanker mooring
time of turnaround of freight cars
transfer transactions
transform layer
treponematous
tubular part
tug-net
umbilical life support system
unbucked
walking miner
wished on