对某事一无所知

SCIENCE IN THE NEWS - Study Confirms Earth-like Planet in What Scientists Call The Habitable Zone MARIO RITTER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Mario Ritter. BARBARA KLEIN: And Im Barbara Klein. Today, we tell about the discov

发表于:2018-12-01 / 阅读(117) / 评论(0) 分类 2011年VOA慢速英语(十二)月

EXPLORATIONS - Scientists Call for Quieter Ships to Protect Whales BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Our subject today is whales. We discuss a report on the effect of noise from

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 2011年VOA慢速英语(六)月

SCIENCE IN THE NEWS - Scientists Search for the Lost City of Atlantis FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about efforts to find the lost city of Atlanti

发表于:2018-12-07 / 阅读(85) / 评论(0) 分类 2011年VOA慢速英语(四)月

Isaac Newton: One of the Worlds Greatest Scientists SHIRLEY GRIFFITH:This is Shirley Griffith. STEVE EMBER: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about one of the worlds greatest scientists, Isaac N

发表于:2018-12-16 / 阅读(69) / 评论(0) 分类 2011年VOA慢速英语(六)月

EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2011年VOA慢速英语(六)月

Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2011年VOA慢速英语(五)月

A Pakistani court has upheld the detention of nuclear scientist Abdul Qadeer Khan and barred him from ever speaking about nuclear proliferation. VOA's Barry Newhouse reports from Islamabad that government lawyers say the ruling silencing the confess

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 VOA标准英语2008年(七月)

Bird Counts Show Species Decreasing Huntley Meadows Park in Fairfax County, Virginia, is home to a wide variety of birds. That's where Ana Arguelles and her husband, Jeff Wneck, who live next to the 588-hectare wetlands, take part in the annual count

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(一月)

Higgs Boson Finding Excites Fermilab Scientists Some 200 scientists and other staffers gathered at Fermilab -- at two o'clock in the morning - to watch the announcement from Geneva. Many of them have strong connections to the CERN experiment - using

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2012年(七月)

Scientists Aim to End HIV Epidemic The HIV/AIDS epidemic is more than 30 years old. However, at the 19th International AIDS Conference Tuesday there was talk of ending the epidemic through scientific advances and public health policy. Dr. Anthony Fau

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(七月)

Social Scientists Rethink Role of City Big cities are vibrant hubs for culture and industry, or dirty, congested, impersonal crime-ridden warrens. As the world population surpasses seven billion, economists, environmentalists and social scientists ar

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2011年(十二月)

Obama Hosts Top Teenage Scientists Fourteen-year-old business owner Joe Hudy and one of his inventions, a compressed air cannon that shoots marshmallows, attracted President Obamas attention at the White House Science Fair. The president invited Joe

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2012年(二月)

Scientists Infect Mosquitoes to Stop Dengue Australian researchers report success in attacking the insects that carry the dengue virus, a rarely fatal disease that nonetheless takes a huge toll in sickness and economic loss in the tropical areas wher

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Target Mosquito-Borne Illnesses Of all the disease-spreading insects in the world, the mosquito poses the greatest menace, according to the World Health Organization (WHO). As if to underscore that threat, two mosquito-borne viral diseases

发表于:2019-01-14 / 阅读(77) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Race to Contain Malaria: New Discoveries, More Resistance Artemisinin has helped cut global malaria deaths by more than 25 percent over the past decade. But now, in parts of Southeast Asia, this drug no longer works. And the World Health O

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2013年(五月)

HEALTH REPORT - Scientists Find New Clue about Acupuncture By Jerilyn Watson Broadcast: Wednesday, March 17, 2004 This is the VOA Special English Health Report. A Chinese book on the ancient practice

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 健康与经济

BEIJING, Oct. 13 (Xinhuanet) -- Scientists have decoded the genome of Black Death which caused one of the worst plagues in human history. The finding was published Wednesday in the scientific journal Nature. A team of German, Canadian and American sc

发表于:2019-02-07 / 阅读(116) / 评论(0) 分类 英语新闻

Scientists have determined it's not advisable to hurry marriage. Get the scoop on the best age to be wed. 科学家们建议,结婚也不可以操之过急。现在,让我们对应该何时结婚来探个究竟吧。 We doubt you were shocked whe

发表于:2019-02-08 / 阅读(80) / 评论(0) 分类 阅读空间

If you want to boost your childs results at school, you could do a lot worse than ensuring that they do plenty of exercise. Scientists have already shown that physical activity can make you brainier. But a team in America has used scans to show that

发表于:2019-02-17 / 阅读(105) / 评论(0) 分类 阅读空间

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour

发表于:2019-02-18 / 阅读(90) / 评论(0) 分类 英语新闻
学英语单词
abrielle
actual measurement on the drawing
Ailanthus Desf.
air-sucking water ejector
albert hall
algebraic cofactor
aminoconanene
arnolds cove
assignment priority
bacony degeneration
basic subsystem module
Brazey
bubble separation(techinque)
buproprion
chain base period
chalasia
Chrome OS
comparative utility
costmaries
courbed
cross nerve
difenolan
discordant injection(transgressive intrusion)
dual system locomotive
elinac
end place
face recognitions
finite difference equation model
flashing of a dynamo
Fortezza
free of damage absolutely
funboy
furrey
Ghats
gouri
hand reamer
harzia verrucosa
hay-jack
hotmelts
hydrogen gas cylinder
hydroxy stearate
igneous accumulate
improved crown grafting
impurple
intermedian cubital vein
Langoon
leucospis japonica
Leyden phial
Longdan Xiegan Wan
magnesium pyrophosphate
medium steels
membrane permeability
moonshiners
morphometrically
myeloangiography
new mercantilism
normally closed
Old Man Jenkins
one-idead
Open bracket
osteosis cutis
partial solid solution
pejo
peperinos
phonetised
ponomaryov
potamogetons
preemption capability
profitable
proximity problem
pub-crawl
pump operated sprayer
pyrophones
radium jaw
ray displacement
reconnaissance balloon
referrent
retaining screw
Sabinov
saltation ash
servility
set of complex features
sheet-musics
Shore hardness number
sidewhisker
sled connector
slop room
speed to pressure transducer
stat padder
straight-reamer
Sukhoy Log
sulfapyridine sodium
superaudio
tassinari
TCA
to bob
topograghy
twisted form
uptails
vake
water borne disease
zerofuel weight