旋光性

Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 VOA2003(上)-健康资讯

Malawi Woman Resists Early Marriage, Provides Education to Girls Girls on the Move Secondary School is a symbol of hope for girls from poor families in Malawi. The school is free and welcomes young girls who would traditionally be forced to marry. 马拉

发表于:2018-12-07 / 阅读(166) / 评论(0) 分类 2017年VOA慢速英语(十二)月

个人简介: Louis Szekely (born September 12, 1967), known professionally as Louis C.K., is a stand-up comedian, Emmy-winning television and film writer, actor, producer, and director from Boston, Massachusetts. He currently stars in the FX comed

发表于:2018-12-09 / 阅读(112) / 评论(0) 分类 英语万花筒

World Closes In on Eradicating Polio Never before have so few children in the world had polio. Yet, as World Polio Day is observed Saturday, those who are trying to rid Earth of the virus say it's time to step up vaccination campaigns. If this happen

发表于:2018-12-16 / 阅读(94) / 评论(0) 分类 VOA标准英语2015年(十月)

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 科技之光

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(十二)月

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 VOA慢速英语2008年(三)月

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(111) / 评论(0) 分类 VOA慢速英语2008年(一)月

World Partners Intensify Effort to End Polio From VOA Learning English, this is As It Is. Welcome to the show. I'm Caty Weaver. On the program today, we explore the continuing international effort to end polio following an outbreak of the disease in

发表于:2019-01-12 / 阅读(344) / 评论(0) 分类 2013年VOA慢速英语(九)月

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(253) / 评论(0) 分类 有声英语文学名著

DEVELOPMENT REPORT — June 10, 2002: Campaign Against Polio By Jill Moss This is the VOA Special English Development Report. In nineteen-eighty-eight, world health leaders started a campaign to end t

发表于:2019-01-30 / 阅读(146) / 评论(0) 分类 农业与发展

This is the VOA Special English Development Report. An Afghan girl receives a dose of polio vaccine The World Health Organization has begun to use a new vaccine against polio. Officials say it will become a major tool in the campaign to end a disease

发表于:2019-01-31 / 阅读(129) / 评论(0) 分类 2010年慢速英语(一)月

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(129) / 评论(0) 分类 英语新闻

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(162) / 评论(0) 分类 英文语法词汇

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(161) / 评论(0) 分类 实用英语

The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言,中国一线城市就好比是 高压锅。 Here are some tips on what to expect if you

发表于:2019-02-09 / 阅读(132) / 评论(0) 分类 实用英语

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友,但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(114) / 评论(0) 分类 TED演讲国际问题篇

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们 接下来我要从这台笔记本发出信号 通过本地ISP [00:

发表于:2019-03-16 / 阅读(377) / 评论(0) 分类 听电影学英语-生活大爆炸
学英语单词
absolute proof of guilt
alimentary trust
antennulary ganglion
aristolochia foveolata
aristons
arkositite
artiodactylas
Baltimore Berth Grain Charter
bar masks
bit complement
bite-by-bite
bodysuited
bottle-noses
braswell
calibrating pipette
classical ring
coefficient of homogeneity
coimmunostained
comprehensive index
contraceptive ring applicator
counterrevolutionary case
cushion-borne condition
cytofluorograft
deltaline
deltoplastis ovatella
disembowered
disk hob
dock-type lock chamber
double tie joint
double-spreads
energy bandgap
farjon
Feltham
ferdinandi-coburgii
fixed retainer
fore quarter flank
fuel-assembly clad(ding) tube
future azimuth
goods and chattels
gros forts
have a grievance against sb
humites
image registration
importance factor
impregns
Ingrams
inhibition of corrosion
lacing eyes
lake-tiberias
laminated cortex
least iteration method
lifr
lines of equipmential
lobes of the lung
loosely filled insulation
maximum absorbed dose
mayories
Meander River
mill flour
mutilus kianohybridus
neutron superfluidity
nonorbital
nontubular
North I.
Oirase-gawa
olive
online broker
Osirite
overhaulers
pancreatic tuberculosis
paraflagellar rod
partial common control system
physical entanglement
playback singers
political skills
pralltriler
presowing treatment
Prunus serrulata Lindl.
pseudosphenopalatine neuralgia
quadruple curve
rotation-test
sales tickets
section mould
seed tank
sharebeams
stratigraphic marker
sub-cultures
suberisation
surface hydrology
suspension bridge
swamp monkey
terschellingia longicaudata
The International Oil Pollution Compensation Fund
thermal neutron fission factor
triexponentially
trigoniids
trinkley
tuning fork type ammeter
udp-n-acetylglucosamine-lysosomal-enzyme
urethral advancement
waterlock
weatherwise