胚囊瘤

Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind

发表于:2018-11-28 / 阅读(127) / 评论(0) 分类 疯狂英语2002年

Federal officials are focusing on manufacturing and processing facilities as they work to get to the bottom of a salmonella outbreak in eggs. The Food and Drug Administration says there haven't been many standards in place for farms like the two in I

发表于:2018-12-02 / 阅读(66) / 评论(0) 分类 2010年NPR美国国家公共电台8月

Christopher Reeve: A True Superman Christopher Reeve, the cinematic 1 Superman who became a real-life inspiration for people with spinal 2 injuries through his painstaking struggle to overcome total p

发表于:2018-12-05 / 阅读(224) / 评论(0) 分类 英语沙龙2004全年合辑下

Agricultural officials say they think an organic farm in northern Germany was the source of the deadly E. coli outbreak that has sickened more than 2,000 people in Europe. Twenty-two people have died. Investigators traced the bacteria to beansprouts

发表于:2018-12-17 / 阅读(83) / 评论(0) 分类 2011年NPR美国国家公共电台6月

In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep

发表于:2018-12-17 / 阅读(190) / 评论(0) 分类 2011年NPR美国国家公共电台10月

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 2006年慢速英语(八)月

HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A

发表于:2019-01-02 / 阅读(61) / 评论(0) 分类 2006年慢速英语(九)月

One of the goals of regenerative medicine is to make tissue to replace our own damaged body parts. Thats still a ways off. But starting with mouse embryonic stem cells, researchers have succeeded in creating heart muscle that actually beats. The stud

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(十一)月

President Obama says a preliminary agreement reached today with Russian President Dmitry Medvedev is an important step toward increasing nuclear security. We have signed a joint understanding for a follow-on treaty to the START agreement that will r

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 2009年NPR美国国家公共电台7月

From NPR News in Washington, I'm Jack Speer. In a surprising development, the lawyer for disgraced money manager Bernard Madoff has told a federal judge he will plead guilty later this week to 11 charges that will result in a life sentence. NPR's Ma

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 2009年NPR美国国家公共电台3月

President Barack Obama today moved to officially lift the Bush administration's restrictions on human embryonic stem cell research. The move reverses a 2001 directive from Mr. Obama's predecessor in the White House. At a signing ceremony in the East

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 2009年NPR美国国家公共电台3月

The State Department is warning Americans abroad to be on alert for possible protests against the US after a Florida church announced it would burn copies of the Koran this Saturday. Ahead of that, NPR's Michele Kelemen reports governments worldwide

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 2010年NPR美国国家公共电台9月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 健康与经济

This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a

发表于:2019-01-11 / 阅读(74) / 评论(0) 分类 VOA慢速英语2008年(十一)月

AS IT IS 2015-11-02 Can Fish Teach Humans to Regrow Teeth? 人类能学习鱼类的牙齿再生术么? Most people are born with two sets of teeth. They use baby teeth to break down food as children. As they become adults, the baby teeth are replaced

发表于:2019-01-12 / 阅读(52) / 评论(0) 分类 2015年VOA慢速英语(十一)月

By Ted Landphair Washington 26 July 2007 For a second time in a year, President Bush has vetoed a bill that would have sanctioned federally funded stem cell research using human embryos. His stance reflects conservatives' view that destroying life to

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2007年VOA标准英语(七月)

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(67) / 评论(0) 分类 趣味英语

Finding a Healthier Lifestyle - Committing to Change Everyone wants to live a healthier lifestyle and everyone wants to look better in their swimsuit. However, many people don't know where to begin or what questions to ask. Six months ago I was in th

发表于:2019-02-08 / 阅读(116) / 评论(0) 分类 阅读空间

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour

发表于:2019-02-18 / 阅读(86) / 评论(0) 分类 英语新闻
学英语单词
acropyga sauteri
adonis blue
Aerosol-Induced
after
amyl boron dihydroxide
antifungal antibiotic
ash fusion
audited expenditures
back impact
barium hyposulfate
bdelloid rotifers
belt wax
bereavement pay
binocular competition
Blackadder Water
capmaker
carbamates pesticide
Caterham
ceiling air visibility unlimited (cavu)
champagnelike
chinampas
cholophaein
clothless
coloniae
conditional probability distribution
cord bladder
Cryptorrhynchus lapathi
datiscoside
de-emotionalize
denial measure
design procedures
dimethylamino-aniline
dog sleep
doubling the angle on the bow
dropforge
ellaby
ES-1
exponent system
extensor carpi radialis brevis
fake copy listing
family aulostomidaes
felis concolors
friction enhancement
front ring
Geissler's potash bulb
GeneralSurgery
genus Leucocytozoan
gone the whole hog
griaxial compression test
guazatine
hand-operated bending roll
headstrongness
henck
Hengshui
hippopathology
impose the duties of
IPS (international pipe standard)
Jargalant
kirpichenko
legislate against
loose joint butt
marchier
mcbeth
movie-makings
mud baffle
neocryst
normally engaged gear
paleolinguistics
phosphorus trifluoride
platinum anode
precision-machined
prong type cage
pterocaryas
re-tells
reslices
rotating piston flowmeter
Saab AB
sacro-sciatic ligament
Salmonella orion
sealed system
show selection
simultaneous ground fault
slot b
speed control switch
spinal ganglion (or dorsal ganglion)
spot projection type
stickmen
subitives
super-accurate
Tanahbatu
transfer jump
transumptive
trophoblastoma
tulipomaniac
turkmenistans
TV center
u.s.s.r
ungroaning
unrid
varactor tuning
video cam
xenophobic