单词：protembryonic
单词：protembryonic 相关文章
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
疯狂英语2002年
19 Having a Business Mentor GLOSSARY mentor a person who provides advice and guidance for free, usually tosomeone who is much younger and less experienced * Clarke volunteers as a mentor for at-risk teenagers. advisor someone who provides advice and
2010年ESL之商务英语
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
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
2011年NPR美国国家公共电台10月
1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是
突破英文词汇
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
Scientific American(十一)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
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
VOA慢速英语2008年（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
2007年VOA标准英语（七月）
Authorities in Pakistan have banned protests and rounded up hundreds of lawyers, opposition politicians and other activists before a planned rally against the government in the capital. Protesters want to reinstate the country's former Supreme Court
VOA标准英语2009年(三月)
Many developing countries are closely watching the role escalating food prices is playing in the turmoil in North Africa. Government repression, corruption, unemployment and poverty united protesters to oust Egyptian President Hosni Mubarak last week
VOA标准英语2011年(二月)
Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d
世界各地新闻集锦
Finance and Economics；Funds of hedge funds；Going, going, gone? 财经；综合基金；渐行渐去？ An overdue wave of consolidation is hitting the funds-of-funds industry； 迟到的兼并浪潮冲击着综合基金管理； If one individua
经济学人财经系列
By Derek Kilner Nairobi 21 November 2007 Kenya's Electoral Commission is hearing complaints from candidates who failed to secure their parties' nominations for parliamentary elections, scheduled for December 27. As Derek Kilner reports from Nairobi,
VOA常速英语2007年（十一月）
By Cathy Majtenyi Nairobi 08 February 2007 The former chairman of Burundi's ruling party is protesting his ouster, saying that the move is illegal. Cathy Majtenyi reports for VOA from Nairobi. Hussein Radjabu says the meeting on Wednesday that result
2007年VOA标准英语（二月）
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
趣味英语
音乐咖啡厅:Sarah Brightman - Moon river 相关介绍：2000年10月25日，美国西岸的大城--洛杉矶，当天晚上在WILTERN剧院里，数万名爆满的观众忘情的疯狂鼓掌，震耳欲聋的安可声几乎要将剧院的屋顶掀翻
音乐咖啡厅
By Nick Wadhams Nairobi 02 January 2008 Kenya's opposition leaders have vowed to go ahead with a massive rally in downtown Nairobi to protest what they say was the fraudulent re-election of President Mwai Kibaki. The government has said the demonstra
VOA标准英语2008年（一月）
By Alisha Ryu Nairobi 03 January 2008 Kenya's opposition leaders have called off a mass rally that had been scheduled for Thursday in Nairobi to protest alleged vote rigging in last week's presidential election. Before the march was called off police
VOA标准英语2008年（一月）
By Derek Kilner Nairobi 20 February 2008 Kenya's opposition has said it will launch another round of demonstrations if mediation efforts fail to resolve a political crisis in the next week. The government and opposition have failed to agree on an acc
VOA常速英语2008年（二月）