单词：inhibited red fuming nitric acid
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Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
This is the VOA Special English Health Report. Scientists have discovered that stored blood loses a life-saving gas. This discovery may explain why a great number of people get sick after receiving stored blood. In recent years, experts have wondere
VOA慢速英语2007年（十一）月
提到蟑螂，我们总会联想到肮脏昏暗的厨房和浴室当你进入房间打开灯的时候，它们就立马溜走了。但是并不只有害虫处理专家对它们感兴趣这些昆虫也启发了抗体、机器人以及机械肢体的研
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The Federal Reserve slashed a key bank lending rate to just about zero today. The move establishes the federal funds target rate between 0 and 0.25%. The rate cut is an effort to spur the economy. NPR's Wendy Kaufman has more. The action by the Fed
2008年NPR美国国家公共电台12月
(man) Today we're going to talk about shyness and discuss recent research on ways to help children learn to interact socially. Many people consider themselves shy. In fact, forty percent of people who took part in our survey said they were shy --- t
托福听力短文
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
幽默寓于笑话之中，它是笑话的精料，智慧之所在。笑话是幽默的载体，一个成功的笑话能流传千古，听者和讲者都会感到快乐、欣喜，拍掌叫好!下面是小编整理的两则英语幽默，希望能让大
趣味英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to
Scientific American(五)月
SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S
VOA慢速英语2007年（十一）月
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
Everyone gets into a big ol bad mood sometimes. Im talking about the kind of mood that throws a spanner in the works, has you fuming at every little thing and threatens to ruin a perfectly good day. Sometimes these moods happen just when you dont wan
实用英语
From rubbery scrambled eggs to lukewarm mashed potato, airplane meals can be dire. 从炒鸡蛋到微温的土豆泥，飞机餐真是难吃得丧病。 Now scientists think they know why food tastes so strange in the air its down to sound. 科学家们
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Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink
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听歌学英语:That I Would be Good-孙燕姿 That I Would be Good 孙燕姿 孙燕姿的歌一向都很打动人，今天我们要学习的这首That I Would be Good来自她的Start自选辑，这首歌的原唱是Alanis Morissette。这是一首慢
听歌学英语
A mother who was left cold after receiving an 'unwrapped' box of chocolates for her birthday has urged other women to share their worst present horror stories. 一位妈妈在生日当天收到一盒拆开的巧克力作为礼物，感觉倍受冷落。
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Anyone whos been to Sonic knows what unmet expectations feel like. If youre a small business owner, youve probably come to hate the verb expect more than any other. Customers have a whole lot of dreams about what you can deliver, and its all too easy
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保持一个姿势久了，身体就会有发麻的感觉。当你改变姿势的时候，会感到非常的难受：刺痛、痉挛，然后是慢慢恢复知觉。这种发麻的滋味还真不好受。那么，为什么我们的身体会发麻呢？
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So my idea was born,and I had the project set up and a hypothesis, 这就是我的想法诞生的过程，然后，我就有了项目的开展和假说， so what was my next step? 那么我的下一步呢？ Well obviously I had to find a lab to wor
TED演讲教育篇