单词：methyldopas
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Lesson 15 Your passports, please. 请出示你们的护照。 Listen to the tape then answer this question. Is there a problem with the Customs officer? 听录音，然后回答问题。 海关官员有
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AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
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You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
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Helen: Hello, this is Real English from BBC Learning English, Im Helen. Jean: 大家好，我是董征。欢迎收听地道英语。 Helen: In Real English, we look at words and phrases that you might not find in your dictionary. Jean: 和汉语一样，英语语言里也是有好
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Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented
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SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
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M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
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Daily Life - Talking About a Past Event (C0095) A: Mike! Hey, how are you, man! Long time no see! B: Hey, Pat! Yeah, I havent seen you in ages! How are you? A: Im doing great! Its funny running into you like this. Just last week I ran into Matt as we
纯正地道美语
Rights Group Challenges US Security Policy on Airline Passenger Lists Jim Malone A leading U.S. civil liberties group has filed a legal challenge to a program that seeks to bar people with suspected l
VOA2004（上）--各类新闻
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
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This is the VOA Special English Economics Report. Greece's debt crisis has shaken investors in the United States and worldwide. They worry that it could spread far beyond Greece. On Thursday, a day after huge protests in Athens, the Greek parliament
2010年VOA慢速英语(五)月
U.S. stock prices edged higher Friday after the U.S. Senate passed the biggest overhaul of the nation's financial system since the 1930s. The Senate measure must be reconciled with a version passed earlier in the House of Representatives, but it stil
VOA标准英语2010年(五)月
Richmond Re-examines its Confederate Past As the United States marks the 150th anniversary of the start of the Civil War, many Americans are re-examining the conflict, especially in Richmond, Virginia, former capital of the Confederacy. During the Ci
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Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
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中国雇员Kathy忧心忡忡地去找美国同事Mark请教。 K: Hey Mark...do you mind if I ask you a couple of questions? Mark: No problem, I've got time. K: Great! Well, I'm going to Seattle for half a year. I'm attending a course at a universit
商务礼节美语
中国雇员Kathy要去美国考察，她找美国同事Mark了解美国文化，以免在待人接物的时候在礼节方面闹笑话。 K: If I'm using public transport...should I give up my seat if I see elderly people? M: Yes. I think that's pro
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