[医] 格罗夫氏电池

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(236) / 评论(0) 分类 VOA2003(下)-环境与健康

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(188) / 评论(0) 分类 国家地理2008年

My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a

发表于:2018-12-30 / 阅读(155) / 评论(0) 分类 国家地理2007年

Three-dimensional cell phones and batteries that last much longer are just two of the techonogies that could become commonplace in the next few years. For the fifth year, IBM has looked at the horizons of research, picked five technologies and announ

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 VOA标准英语2011年(一月)

By Doug Levine Washington 11 July 2006 Whatever happened to the so-called Young Lions of jazz? It's been more 15 years since this elite group of teen musicians was hailed as the next generation of great traditional jazz players. Most, like Wynton Ma

发表于:2019-01-11 / 阅读(199) / 评论(0) 分类 2006年VOA标准英语(七月)

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(173) / 评论(0) 分类 2007年VOA标准英语(九月)

By Naomi Schwarz Freetown 30 August 2007 In Sierra Leone's presidential election, electricity has become an important campaign issue. In the crowded capital Freetown residents can go weeks without power, but some of the city's youth, faced also with

发表于:2019-01-13 / 阅读(172) / 评论(0) 分类 2007年VOA标准英语(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(143) / 评论(0) 分类 VOA标准英语2008年(五月)

New Alzheimer's Research Raise Hope for Treatment, Cure Scientists working to unravel the mysteries of Alzheimer's disease are excited by two recent studies. Both provide important new insights on how the disease spreads through the brain. Guy Eakin

发表于:2019-01-14 / 阅读(172) / 评论(0) 分类 VOA标准英语2012年(二月)

By Peta Thornycroft Southern Africa 28 October 2009 Zimbabwe's main professional associations, including the law society and Zimbabwe Lawyers for Human Rights, will not attend a conference organized by the ZANU-PF-controlled justice ministry. The wi

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2009年(十月)

我们今天要学几个由hold这个词为主的习惯用语,hold常用来表示用手拿住或者抓住,今天要学的第一个习惯用语是:hold on to one's hat。 大家都知道hat是帽子,hold on to one's hat这个习惯用语出现在

发表于:2019-01-14 / 阅读(177) / 评论(0) 分类 美国习惯用语

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(264) / 评论(0) 分类 60秒科学

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(171) / 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(161) / 评论(0) 分类 VOA常速英语2008年(四月)

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(314) / 评论(0) 分类 英语新闻

By Amanda Cassandra New York 09 November 2006 Movie star Robert Redford's Sundance Film Festival is teaming up with global cell phone operators to bring short films to cell phones to give people around the world access to independent films. Robert R

发表于:2019-02-05 / 阅读(178) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(274) / 评论(0) 分类 趣味英语

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(191) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(221) / 评论(0) 分类 英语新闻

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(175) / 评论(0) 分类 英语新闻
学英语单词
a raw hand
acantharian
aerial photographic navigation
aldsworth
alligator-skins
aloof from
axis mundi
azoviolet
backhand hit
barn spiders
Bassacutena, Riu di.
Beck's scale
black turnstones
bordun
BRMA
carry the load
Cefetamate
club floor
coal deposit
compound epicyclic reduction gear
cornerings
cutting knife
Dame Jean Iris Murdoch
dark current voltage curve
denaturation of membranous labyrinth
disconnection syndrome
distaso
eight hour law
electromuscular
ERCP
ethereous
expanding industry
exponent register overflow fault
Finkenberg
fixed core
fixed-charge
forber
fused-salt bath
gelbard
genus nyctaginias
giant frog
glint line
graystone
Haemobartonella peromyseli
headed for
heliomyelitis
inner pipe nozzle
isolated thermodynamic system
just then
keys visible
kreimer
listen out for
mooched off
net boom
NPTN
online-voting
orienting roll
page swapping
palmah
parts interpreters
pleuropodite
postcopulatory behavior
prefurca
push-bikes
radioceramic
reciprocating piston cooling pipe
reclinate (relining)
recrystallizatuon
reflex mechanism
retina-scan
rewind solenoid
rigid hook
ring voltage
ruling-class
rustinesses
Sadādib
saint-germain-en-laye
semi-submersible drilling unit
separate income
septulum (pl. septula)
Serpentine Lakes
single-seats
sir herbert read
SMS cell broadcast
SOS inducer
speed increasing gear pair
srilankite
sterep
studentwork
sub-city
subsieve powder
sustainable design
taintor
temperature registering system
theoryof algebraic curves
tithe proctors
TNEL
trumpet section
u.c
ununiform loops
village road
yoseph