单元损耗优先

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(146) / 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(85) / 评论(0) 分类 初学者听力文摘精选

A man who used a chainsaw to fight off an attacking mountain lion. Dustin Britton was camping in Wyoming with his wife and two toddlers. The ex-marine alone, cutting firewood about 100 feet from his campsite when he saw the beast staring at him throu

发表于:2018-12-11 / 阅读(70) / 评论(0) 分类 访谈录2009

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(71) / 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(125) / 评论(0) 分类 国家地理2008年

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(113) / 评论(0) 分类 2007年VOA标准英语(九月)

今天我们要学的词儿是Priority。 Priority是优先的意思。萨尔科齐当选法国新总统后,媒体报道说,He said the issue of climate change would be a priority for France. 意思是说萨尔科齐表示,气候变化的问题是

发表于:2019-01-25 / 阅读(74) / 评论(0) 分类 英语每日一词

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(76) / 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(116) / 评论(0) 分类 健康与经济

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(102) / 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(60) / 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(228) / 评论(0) 分类 英语新闻

WASHINGTON, Aug. 15 (Xinhua) -- Capturing or killing al-Qaida mastermind Osama bin Laden(奥萨马本拉登) is still a priority for the United States, David Petraeus, the general who commands all U.S. forces in Afghanistan, was quoted as saying

发表于:2019-02-06 / 阅读(131) / 评论(0) 分类 英语新闻

BEIJING, Jan. 31 (Xinhua) -- Ensuring grain security and the supply of major farm products will always be a top priority in China's development of modern agriculture, Chinese authorities said on Thursday in its first policy document for 2013. China s

发表于:2019-02-07 / 阅读(74) / 评论(0) 分类 英语新闻

天我们要学的词儿是Priority。 n. (时间、顺序上的)先, 前 优先, 重点; 优先权 上席, 上位 优先配给; 优先考虑的事 次序; 轻重缓急 【数】优先级; 优先 establish an order of priority 按重要性确定...的次

发表于:2019-02-07 / 阅读(76) / 评论(0) 分类 英语单词荟萃

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(209) / 评论(0) 分类 趣味英语

U.S. Defense Secretary Robert Gates says a new strategy for fighting Islamic extremists in Afghanistan will be a high priority for the administration of President-elect Barack Obama. Gates, who has served as Defense secretary under President George

发表于:2019-02-08 / 阅读(96) / 评论(0) 分类 VOA标准英语2008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(105) / 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(118) / 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(161) / 评论(0) 分类 英语新闻
学英语单词
5-propynyloxy-2'-deoxyuridine
acroloyl-
alternate operations
arti
articuli atlantoepistrophici laterales
Bacillus coli communior
bernabei
binti
bluetail
boris godunovs
branchial basket
brand name products
calibration arm
characteristics of goods theory
chinese bank
chromium mordants
clutch operating time
collaboration protocol agreement
cotija
cross-cuts
daucosterol
death tick
dendrophyte
Dihl porcelain
dried-milk
electronic crack detector
elkourie
energy-economic system
environmental quality issues
executive state
extra news
failure law
Faro, Pta.del
Filago arvensis
file component
fine groove
fluorospheres
four-rows
frangipani
frequency shift communication system
gamma-ray transducer
gubbinss
half-square wave
Hegar's method
hemal nodes
hen-plant
homotopes
huge system
i.m.s
incremental benefit
inspection and test of cargo gear
Knyazhitsy
Kobyay
kuchler
Luys bodies
mealers
metazeolite
metsolas
middle latitude climate
ministere
nastistical
Neurofibrae commissurales
neutron per fission
Nyabogati
one moment, please
order piperaless
photoproducts
piedmont pluvial facies
pitfuls
podoid of curve
port (pneumatic)
powder carbon
puzzled over
radiation-equivalent manikin calibration
Rhizopus tritici
rolled food
sacrorum
secon-dary lymphoid organ
segment sharing
sgraffito
shell core process
shuffle beat
smuttier
social dialectologist
Sorbus granulosa
stabletype position effect
stenopus
still-fresh
Syneilesis aconitifolia
tank residue pump
tertiary butyl
titres
toll line lamp
trench filler plow
trinitro-methylamine
two-spindle multiple rip saw
viscotiol
We invited two guests to dinner
welddecay
YKWIM
Zombie network
Zz.,zz.