单词：isotopy
[化] 同位素学; 同位素性质
单词：isotopy 相关文章
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牛津阅读树ORTMP3（1-11级）
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
DIALOG 21 laurance--You look happy today! soony--I am happy.I just heard I passed my physics exam laurance--Congratulations!I'm glad somebody's happy. soony--Why?What's the matter? laurance--Oh,I'm ju
英语经典听力对话
AMERICAN MOSAIC -April 26, 2002: Museum Show About Women Spies / Re -creating Lindbergh's Famous Flight / A Song About a Train american-mosaic-02-04-26 (MP3) america-mosaic-02-04-26 (RealAudio) HOST:
American Mosaic
THIS IS AMERICA -June 24, 2002: Women Spies By Jerilyn Watson VOICE ONE: Throughout American history, women have aided the United States and its allies by spying. A show organized by the National Wome
This is America
NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer and Alice has joined me for today's 6 Minute English. Hello, Alice! Alice: Hello, Yvonne. Yvonne: Of course, the world news is often about the financial crisis, so I thought
六分钟英语
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
BBC Learning English London Life Grumpy Londoners Jackie: Hello, welcome to London Life with BBC Learning English and me, Jackie Dalton. Growling pussycat Jackie: Do you ever feel a bit like this in the morning? Well you're not the only one and it's
伦敦生活
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
I'd love it if you call me an artist, but I am not quite there yet. But that's what I want to do. This is Jason Pym, a Brit who has been pursuing his dream of being an artist in China for 12 years. He and his wife also own a 60-square-meter caf in th
英闻天下
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
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粉红猪小妹第三季
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粉红猪小妹第三季
Hoppy the little kangaroo was out for a walk with his mother．Mummy，I'm cold，he said suddenly．Then you must jump into my pouch at once，said his mother．Where is Hoppy？asked everyone when they got back home．He felt cold．He's gone insid
趣味英语
64 基因疗法治疗血友病疗效有限 DATE=6-28-01 TITLE=SCIENCE REPORT - Gene Therapy to Treat Hemophilia BYLINE=Nancy Steinbach (Start at 01'02
科技之光
EXPLORATIONS -August 7, 2002: International Spy Museum VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a mu
Explorations
DEVELOPMENT REPORT - Plumpy'nut Aids Fight Against Hunger By Jill Moss Broadcast: Monday, April 25, 2005 I'm Gwen Outen with the VOA Special English Development Report. Nutriset is a food company in F
农业与发展
今天我们要学的词是grumpy。 Grumpy, 是坏脾气的，生气的。A grumpy old man, 就是坏脾气的老头。He didn't get much sleep last night and is feeling a bit grumpy this morning, 他昨天晚上没怎么睡，早上起来情绪很差
英语单词荟萃
One in this world there are two things we can not do： First， hurry， and second， to stop and see if they have a good mentality． A good state of mind is that people a good partner in life， people pleasure and health． Insights on life： Y
阅读空间
今天我们要学的词是bumpy。 Bumpy颠簸的，困难重重的。美国全国企业经济学家协会的一项最新调查发现，More than 90 percent of economists predict the recession will end this year, although the recovery is likely to b
英语单词荟萃