[电] 阻挡层光电池

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(246) / 评论(0) 分类 VOA2003(下)-环境与健康

barrage, [bə'rɑ:ʒ] n 弹幕(本军前方的密集火力网,用以掩护队伍);堰(人工障碍物,用以增加水深并分流) 【例】barraging the speaker with questions 接二连三地向演讲者提出问题 【记】bar酒吧,

发表于:2018-12-30 / 阅读(112) / 评论(0) 分类 不择手段背单词

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(195) / 评论(0) 分类 国家地理2008年

Boylan interviews the girls separately, probing their memory for clues. She does not interrogate them, but engages them in casual conversation. Her questions are always indirect. I divert them through

发表于:2019-01-02 / 阅读(166) / 评论(0) 分类 揭秘联邦调查局

A budget compromise has the Republican-led House's vote. Now, it's on to the Democratically-led Senate. NPR's Audie Cornish has a recap of the latest vote to keep the government funded for the rest of this fiscal year. The House passed the package on

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 2011年NPR美国国家公共电台4月

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(九月)

1. Libya's opposition says troops loyal to Moammar Gadhafi are bombarding Misrata, the only city in western Libya not under Gadhafi's control. The artillery and tank fire comes despite a barrage of missiles and air strikes from U.S. and European forc

发表于:2019-01-11 / 阅读(209) / 评论(0) 分类 美联社新闻一分钟2011(三月)

1. A defense official says the US has unleashed a barrage of cruise missiles at Libyan targets yesterday and today. However, the Libyan government says its tanks and rockets have driven back rebels who attempted an assault on Muammar Gaddafis hometow

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 美联社新闻一分钟2011(四月)

1. Activists say dozens of people have been killed as the Syrian government escalates its crackdown against protesters. Most of the casualties appear to be in the city of Hama. Witnesses say a barrage of shelling and gunfire has left bodies scattered

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 美联社新闻一分钟2011(八月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(五月)

If you've watched the news or followed politics 如果你看新闻或者关注政治, chances are you've heard the term Orwellian thrown around in one context or another. 那么你很有可能听说过奥威尔现象频繁地出现在不同的语境中

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 TED演讲教育篇

[11] Muller's breakthrough was to find a way to date

发表于:2019-01-26 / 阅读(168) / 评论(0) 分类 阅读空间

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(174) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(163) / 评论(0) 分类 VOA常速英语2008年(四月)

A woman I know who does online dating says she is often baffled by the seduction techniques of the men she meets. In person, most just boast to her at great length. Few of them stumble on the winning formula: ask her about herself, and actually liste

发表于:2019-02-02 / 阅读(138) / 评论(0) 分类 阅读空间

While many people don't like to sell, most find themselves having to persuade someone at some point. Persuasion is not just for salespeople and their prospects. You may try to persuade an employee to perform better, or perhaps you want to persuade yo

发表于:2019-02-03 / 阅读(141) / 评论(0) 分类 英语美文

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(315) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(279) / 评论(0) 分类 趣味英语

Italy's parliament意大利议会High-class errand boys高级服务生Parliamentary workers are facing a cut in their generous pay议会的工作人员们面临着丰厚薪水削减的窘境。 Gold braid and a golden job金色穗带与金饭碗TO EA

发表于:2019-02-17 / 阅读(152) / 评论(0) 分类 经济学人文艺系列

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(223) / 评论(0) 分类 英语新闻
学英语单词
'er
actio directa
alexipharmic
anucleated cell
band s
bespar
bevel shear
cad drawing
calcium dimetaphosphate
capital utilization
carrier vessel reactor
catching sight
centrifugal reinforced ceoncrete pipe
chloroperoxidase
claypans
cole pen.
commercial ice
cooking out
core recirculation flow rate
Courcelles
craspedacusta sowerbyi
Creusot
developer's toolkit
divergent nozzle
double-width
ductile metal
encheliophis homei
erecting act
Euduron
faceup
flat tax
foreign tongues
Foulalaba
fuel briquette
genus fremontodendrons
genus Monocanthus
grid of neighboring zone
Hawdon, L.
human zoo
in the dumps
interposing relay
jabboks
jahrzeit
jiyehs
kafilah
keyseat sticking
knuckle-joint
land lines
low stocks
mean square of treatment
measurement of soot and dust concentration
Mefemide
metastabilities
microkit microcomputer system
micropelecotoides japonica
moral support
nonspliceosomal
of mice and men
oil way
open roller chock
packed cellvolume
parabolic body
PASD
phycofluor probe
pit turbine
planting unit of corn planter
posterior pancreatic vein
prebias
purinic
pussy pump
put-putted
Quilengues
recertifying
reflex angina
return from interrupt
scorch-pencil
SDO (source data operation)
secondary layer
senates
shipyard crane
showerbaths
Siriu
snowbillies
sodium pteroylglutamate
software-relateds
spasmodic motion
spiny anteaters
suctionplate
superacidulation
Supercom
tinea pellionella linnaeus
to bum
transverse stationary wave
ttranscription
Uedesheim
unit ground loop
vibrational control
vision mixture operator
volatile organic compounds
water blast gun
westwardly
worldwide frequency plan