Zehbe氏细胞

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(186) / 评论(0) 分类 VOA2003(下)-环境与健康

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-06 / 阅读(85) / 评论(0) 分类 伊桑·弗罗姆.Ethan.Frome

It is often said that cats have nine lives, that they are lucky enough to escape from danger again and again. Here is a science fiction tale about how one such lucky escape by a cat led to a discovery that was able to change the course of people's l

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 英语散文阅读

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(162) / 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(125) / 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(120) / 评论(0) 分类 VOA标准英语2011年(一月)

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(151) / 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(113) / 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(139) / 评论(0) 分类 VOA标准英语2012年(二月)

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(150) / 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(218) / 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(139) / 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(136) / 评论(0) 分类 VOA常速英语2008年(四月)

By Peta Thornycroft Southern Africa 16 June 2007 Hours before the first South African-mediated talks between Zimbabwe's ruling ZANU-PF and the opposition Movement for Democratic Change (MDC) were due to begin in Pretoria, police in Harare seized the

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 2007年VOA标准英语(六月)

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(270) / 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(148) / 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(246) / 评论(0) 分类 趣味英语

RIO DE JANEIRO, March 5 (Xinhua) -- Former Real Madrid and Bayern Munich midfielder Ze Roberto, who is set to start for Gremio in Tuesday's Copa Libertadores clash against Caracas, missed his team's final training session on Monday. Gremio coach Vand

发表于:2019-02-09 / 阅读(146) / 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(198) / 评论(0) 分类 英语新闻

For more on North Korea's latest nuclear test, I spoke earlier with Professor Ruan Zongze, deputy head of the China Institute of International Studies, a think tank of the Chinese Foreign Ministry.

发表于:2019-02-21 / 阅读(122) / 评论(0) 分类 英闻天下
学英语单词
aggregator
amounting
auction off
avalanche-induced migration
biological control
build up pattern
Cahul
capped nonionics
cargo oil tank gas-free installations
coaxial-waveguide junction
conical drogue
Consumer Protection Statutes
cravingness
crystal sac
cyclopentobarbitone
Daphnephoria
deep-cleansing
dichroic ratio
ecological bonitation
enactors
equerries
extended care facilities
falanouc
fixed-end column
flimsy evidence
flying wing
force into alignment
form class volume table
gaffrigged
gas-pipe line telemetry
hanging stairs
hardware interrupt
have a bitter tongue
heparan
high-born
incision and drainage of shoulder joint
inshrined
juvenile water
karyaster stage
keratinases
Kotonami
lentis axis
literal frame
load diversity
looped yarn
lower mizzen topsail
lunar geology
macoma praetexta
magnetic fabric
magnetobiology
Malabar kino
metabolic cataract
misexposition
monachist
motor-generator panel
MPX (multiprogramming executive system)
mushan formation
myrobalan
nachenberg
navigational
neglect one's duties
oidium sonchi-arvensis
overnight position
palaeotypography
particle contamination
PGDipLP
phenylthiohydantoin
pteroma
putrescins
pyretolysis
quality relationship
resydiuation
round stern
Sakuragawa
sand plovers
school librarian
seagoing taxi
seat cushion angle
shakest
soft - shelled turtle
soliloquies
spiral sector
submaximum
tenoreceptor
theamount
throughputs
tindell
to-dash
Torrey tree
track servo positioning
trunk relay
turn geese into swans
una voce
ungrammatically
velete
Vempalle
Vietnamese coriander
vinegarettes
vomiter
Wangs pine
water samples
working girl