单词：trimethylborane
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Summer Travel Tips First, the best beach - Maui . Even the name is 1) soothing. Maui is Hawaii's hottest island. Traditionally, one of the most popular places to go. Whether you're a beach nut or ya l
疯狂英语2003年
Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of
名人演讲
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
So I went searching when I started in this game to convince myself that there was any degree of plausibility to this whole crazy story. 在这个游戏的最初，我就开始寻找说服我自己，这个理论有一定的合理性，这整个故事有
TED演讲教育篇
However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,
TED演讲教育篇
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
Scientific American(三)月
02 Ending a Restaurant Meal GLOSSARY to clear the plates to take dirty plates away from the table after people havefinished eating * Once youve finished eating, Ill clear the plates so that you two can talk at thetable more comfortably. out of (ones)
2010年ESL之餐饮娱乐
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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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
60秒科学
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
农业与发展
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
VOA2003（下）-环境与健康
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
I've seen the movie before. 这部电影我看过了 Cut me some slack. 别这样 I've been gone for a while 我不在那么长时间 and apparently I missed the cinematic genius that is Zac Galifinak...is? 很明显我错过了这部天才之作，主
绿箭侠第一季
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
VOA常速英语2013年(十月)
VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p
英语新闻
Newlywed Jennifer Aniston has another reason to celebrate. The actress, 46, has signed a $5 million deal to appear in adverts for Emirates Airlines, reports The New York Post. 新婚的珍妮弗安妮斯顿又有好事要庆祝啦！据《纽约邮报》
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Server: Can I clear these plates and get them out of your way ? Alvin: Sure, were all done. Can I get the rest of that in a doggie bag ? Server: No problem. Ill wrap it up for you. Is there anything else I can get you? Did you leave room for dessert
地道美语播客
1.Maryland police say shots were fired and an inmate is dead after escaping from a hospital, taking a guard's gun then shooting a driver in the head before driving off. Police say the driver was not seriously injured by Kelvin Poke. 2.A team from Sc
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