adj. pre-embryo的变形

Biggest Stories in 2002 (1)

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(246) / 评论(0)

疯狂英语2002年

NPR 2010-08-24

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(171) / 评论(0)

2010年NPR美国国家公共电台8月

字源大挪移 Prefix - 表示方位的字首 08 pre

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:2018-12-04 / 阅读(202) / 评论(0)

英文魔法师字源大挪移

12-12 克里斯托夫·里夫：一位真正的超人

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(347) / 评论(0)

英语沙龙2004全年合辑下

IN THE NEWS - John Kerry Chooses John Edwards for Vice Presi

IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa

发表于:2018-12-07 / 阅读(223) / 评论(0)

教育与新闻

NPR 2011-06-06

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(183) / 评论(0)

2011年NPR美国国家公共电台6月

NPR 2011-10-06

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(314) / 评论(0)

2011年NPR美国国家公共电台10月

VOA慢速英语20060906a

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(218) / 评论(0)

2006年慢速英语（九）月

SSS 2010-11-08

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(218) / 评论(0)

Scientific American(十一)月

NPR 2009-07-07

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(176) / 评论(0)

2009年NPR美国国家公共电台7月

NPR 2010-09-10

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(213) / 评论(0)

2010年NPR美国国家公共电台9月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for

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(189) / 评论(0)

健康与经济

VOA慢速英语 2008 1112a

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(171) / 评论(0)

VOA慢速英语2008年（十一）月

人类能学习鱼类的牙齿再生术么?

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(151) / 评论(0)

2015年VOA慢速英语(十一)月

2007年VOA标准英语-Embryonic Research Poses Dilemma for Religious

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(206) / 评论(0)

2007年VOA标准英语（七月）

VOA常速英语2008年-South Korea Inaugurates Lee Myung-bak as Presid

By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA

发表于:2019-01-31 / 阅读(217) / 评论(0)

VOA常速英语2008年（二月）

哺乳动物已实现逆生长十年内将进行人体试验

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(191) / 评论(0)

趣味英语

学个词Learn a Word 第1596-pre-order

今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t

发表于:2019-02-04 / 阅读(224) / 评论(0)

英语单词荟萃

Finding a Healthier Lifestyle - Committing to Change

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(267) / 评论(0)

阅读空间

Scientists find neural stem cell regulator

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(192) / 评论(0)

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学英语单词

6-Methylcodeine

abruptly-pinnate leaf

apocyclops japonensis

backoffs

bagging attachment