Zander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(170) / 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(155) / 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(112) / 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(112) / 评论(0) 分类 VOA标准英语2011年(一月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(八)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(143) / 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(138) / 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(108) / 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(129) / 评论(0) 分类 VOA标准英语2012年(二月)

The military is now in charge in Egypt after the so-called Supreme Council of the Egyptian Armed Forces took power Friday, ending the three-decade rule of President Hosni Mubarak. Analysts say it remains to be seen whether the military leaders will c

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2011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(141) / 评论(0) 分类 美国习惯用语

GUY RAZ, HOST: When can you remember a time when you played music for somebody, and it had a profound change on what was going on around around them? BENJAMIN ZANDER: It's hard for me to remember a time when I played music when it didn't have that ef

发表于:2019-01-16 / 阅读(177) / 评论(0) 分类 2017年NPR美国国家公共电台11月

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(212) / 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(131) / 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(130) / 评论(0) 分类 VOA常速英语2008年(四月)

Oprah: Iyanla Vanzant's Life Lessons Relationship expert Iyanla Vanzant shared valuable words of wisdom during her 20 Oprah Show appearances between 1998 and 1999. Look back at 10 lessons viewers took to heart. For almost two years, Iyanla helped Opr

发表于:2019-02-02 / 阅读(167) / 评论(0) 分类 阅读空间

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(258) / 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(136) / 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(240) / 评论(0) 分类 趣味英语

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(187) / 评论(0) 分类 英语新闻
学英语单词
accounting objective
afflicted with
all-in contract
alternate binary code
Alternate Trustee
animus domini
answer back
Australian silky terrier
auxiliar
avant gardist
babylike
boat-fly
bolometric correction
budget dilemmas
butis
cahoots
chromosomal inversion
closed-heart surgeries
cog rattle
crankcase catalyst
creep path
crown initiative in expenditure
D. H. S. S.
dancey
descriptive top-level specification
device copy
directed dynamic pressure
district registry
dust-tight type
enit
enlisted men
Euonymus nanoides
field-compensated Michelson interferometer
Foramina papillaria
gas head-transfer coefficient
genital constriction
goedereede (goeree)
graphitic lubricant
hand drum
heritability estimating
Hometin
hyperconsumerist
intralumbal
Komsomol's'k
kupfersulfobismutit (cuprobismutite)
lapook
laryngol
Lena Horne
letdown drum
lilov
liquid application rate
long-lifer
Macrotis lagotis
manufacturing contingences
masturbators
methoxys
Modern Law Report
Mpekatoni
musculus mylopharyngeus
Mönchberg
nose sill
ombre silk
open bay(bight)
otherworldlinesses
out-break
pc-xes
perielesis
polymer chemistry
positive honing
primary raw materials
proceeding with
process structure diagram
procoelia
Pyridindolol
radiance luminance factor
rapid selector
reasons
RHABDPLEURIDA
Richmond Dale
rockbeasts
sericitization
side-curtains
siderotil(siderotitite)
soliton wave
spare system
Sparti
spike oils
stump-tailed macaque
sunsetting
surface catalysis
theoretical weight
three-quarter sister
timer flow control
tinsleyite
to take action
Trisaminol
unbewitches
unsymmetric attenuator
unwittily
uwf
virolymphocyte
wool grass