单词：carcinoembryonic antigen
单词：carcinoembryonic antigen 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
Car Speeding Jason has always loved driving fast and living on the edge. Even as a young man growing up in Vancouver, Canada, he was a risk taker. Journalist: You did 1) extreme things. I mean, you bu
疯狂英语2003年
That does it, said Uncle Vernon, trying to speak calmly but pulling great tufts out of his mustache at the same time. I want you all back here in five minutes ready to leave. We're going away. Just pack some clothes. No arguments! He looked so dange
哈利波特与魔法石
You are in a strange city. It's late at night and you're tired. But you can't find your hotel. You sigh a deep sigh. It seems like you are dreaming a terrible dream. What is happening? This situation
赖世雄中级美国英语
CAR INSURANCE laurance-I need to get car insurance.You got any ideas? Soony--- Well,you could try my company.It seems to have fair rates. Laurance-Do they insure older cars? Soony--- As far as I know,
英语经典听力对话
Dialogue 4 Laurance- What kind of a car do you have? Soony--- An old one. Laurance- I know it's old, but what make is it? Soony-- - It's a Chevrolet. Why do you ask? You going into the car business? L
英语经典听力对话
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
DIALOG 27 1--Did you hear about what happened to Howard? 2--No, what? 1--Someone stole his car! 2--Really? When did it happen? 1--Last night. He left it parked in front of his girl friend's house and
英语经典听力对话
Are you into cars? My brother is. Hes car crazy. He buys car magazines, watches car programmes on TV and spends hours looking at car websites. He knows the name, maker, engine size and top speed of every car on the planet. Every time we go out, he ta
纯正英语一分钟
She sits in the car. Her dad drives the car. He drives to a car wash. The car goes through the car wash. Water sprays onto the car. Soap sprays onto the car. Soft brushes scrub the car. More water sprays onto the car. The car is clean. Men dry the ca
儿童英语小故事
In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun
医务英语
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）
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
A man was trying to pull out of a parking place but bashed（撞击）the bumper（保险杠） of the parked car in front of him. Witnessed by a handful of pedestrians（行人）waiting for a bus, the driver got out, inspected the damage, and proce
趣味英语
NICK: I like the Honda Accord you showed me before. I think it's more practical for my needs. JOHN: Alright, sir. You are making a good choice. Honda has made a lot of design improvements in the new Accord. NICK: What does it come with standard? JOHN
实用英语
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
英语新闻