细胞漏失优先权(位元)

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(205) / 评论(0) 分类 VOA2003(下)-环境与健康

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(140) / 评论(0) 分类 初学者听力文摘精选

Bald made a comeback years ago. Some men even shaving their heads before hair departed on its own, but many others say they would give anything to regrow their loss. Now doctors say a big breakthrough could make that possible. This is definitely a st

发表于:2018-12-24 / 阅读(118) / 评论(0) 分类 万花筒2011年

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(173) / 评论(0) 分类 国家地理2008年

I'm at a loss for words,用来表达不知说什么好,无话可说,哑口无言。 例句: I'm at a loss for words , How dare you accuse me of stealing . 我真不知道该说什么好,你怎么会怀疑是我偷窃呢。 This is the most

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 美国俚语

Can anybody find me somebody to love Each mornin' I get up I die a little Can barely stand on my feet Take a look in the mirror and cry Lord what you're doing to me I have spent all my years in believin' you But I just can't get no relief Lord Somebo

发表于:2019-01-10 / 阅读(137) / 评论(0) 分类 The Voice 美国好声音

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(161) / 评论(0) 分类 2007年VOA标准英语(九月)

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(124) / 评论(0) 分类 VOA标准英语2008年(五月)

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

HEALTH REPORT - Lung Cancer: Tobacco Is Usually the Cause, but Not Always By Cynthia Kirk Broadcast: Wednesday, August 17, 2005 I'm Shep O'Neal with the VOA Special English Health Report. Last week, a

发表于:2019-01-30 / 阅读(160) / 评论(0) 分类 健康与经济

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

今天我们要学的词是downside。Downside是指某件事情不利的方面。One of the downsides of being a celebrity is the loss of privacy. 做名人的代价之一是,你的隐私会受到损伤。The downside of working from home is being

发表于:2019-02-03 / 阅读(108) / 评论(0) 分类 英语单词荟萃

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(293) / 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(257) / 评论(0) 分类 趣味英语

Want motivation on weight loss? Dont rely on your willpower! Controversial advice I know, but there is psychological proof for it, so please bear with me and Ill explain. Most advice youll hear about how to get motivated and keep motivated when losin

发表于:2019-02-13 / 阅读(173) / 评论(0) 分类 阅读空间

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(161) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(147) / 评论(0) 分类 英语新闻

The largest U.S. bank, JPMorgan Chase, says it lost $5.8 billion in bad trades this year, nearly triple its original estimate. The Wall Street investment bank said two months ago it estimated that losses originating in its London trading office would

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 英语新闻

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(210) / 评论(0) 分类 英语新闻
学英语单词
.ams
ab
acid-forming food
agricultural meteorological station
alternating true hermaphroditism
amphicoronate
Ankersholmen
anthracometric
antifouling forest
area runoff coefficient
arithmetic shift right
Asarum sieboldi Mig.
authorization effective date
autoregressive conditional heteroskedasticity model (arch model)
brazing in controlled atmosphere
bulk cement
Caopatina, L.
carotid artery stenosis
Cau Ngang
celery lettuce
channel-billed cuckoo
Chile saltpeter
Chinnifer Maniston
choke condenser coupling
communication check summary counter
concaptual modeling
convenience merchandise
cost for decision making
coxarthropathy
crall
dash to pieces
debt poolers
denaturizing
diffusion pump
direct-drive auger
distribution allocation of resources
entelluss
eupelagic clay
facial sebaceous cyst
ferromagnetic oxide mineral
filesystem
furoxans
gallons per hour
graphic recording voltmeter
hateful
hunter-driffield graph
Information Super Highway
jea
Kokpekty
lighting apparatus
liquidity-preferences
made-up ground
major repair of heat-supply network
mangerite porphyrite
Milhaud, Darius
muffro
multiplicative positivity
Musculus mentalis
nyc
oil immersed forced-oil-cooled transformer
olfactory vesicle
opsychological
optist
paratrimma
percentage transmittance
pinnatifid
plectorhinchus cinctus
polish paste
positional representation systems
pulmonary venous obstruction
recrute
refractive and reflective optical system
rohus
run the battery down
SAFH
sapo animalis
sarai
silent letter
single character
sliding rack
spatial data management system
spiderlines
stable aggregate
Stephensian
strain current meter
sulfamylon
theory of class struggle
Thyraden
toluide
tracer tools
trash chute
tribromoethanol
Tsiafajavona
tube cap
turnover labo(u)r
urticaria perstans
VB15
venousmalformation
vizenor
walking-beam continuous furnace
Wells' facies
Zalukokoazhe