单词：metalloendoproteases
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From NPR news in Washington. I'm Jack Speer. A key Senate committee has sighed off on President Obama's budget blueprint setting the stage for debate on the 3.6 trillion dollars spending package some time next week. Approval by the Senate Budget Com
2009年NPR美国国家公共电台3月
Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus
Scientific American(十二)月
Kids learn to count on their fingers, because theyre so, well, handy! And it makes sensemost number systems originally developed as people counted using their fingers. 小孩通过数手指来学习计数，因为这样确实非常方便。由此，最
初学者听力文摘精选
How People In Greenland Learn How To Count Kids learn to count on their fingers, because theyre so, well, handy! And it makes sensemost number systems originally developed as people counted using their fingers. The counting system of native Greenland
英语听力文摘 English Digest
Science and technology. 科技。 Exercise and addiction. 锻炼也会上瘾。 Fun run. 奔跑的奥秘。 People, it seems, have evolved to be addicted to exercise. 人类似乎在进化过程中对锻炼上瘾了。 AS THE legions of gym bunnies a
经济学人科技系列
谈到视角，很多同学可能会问，当我谈论视角的时候，我在说什么。看以下GRE考试中的一句话： The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h
GRE英语
CARL AZUZ, CNN STUDENT NEWS ANCHOR: There's an old saying: It's not what you know, it's who you know. It might also be how you act. We're gonna make sense of that in just a bit. I'm Carl Azuz. Welcome to CNN Student News! First Up: Midterm Elections
CNN2010年(十一)月
Fridays are awesome! Just like the students and teachers at Ron Clark Academy, where I had the privilege of speaking yesterday. I'm Carl Azuz, bringing you 10 minutes of headlines, leaving out the commercials. Let's go ahead and get started. The fina
CNN2011年(二)月
Iran's state-run television station says three American tourists have been arrested after entering the country from northern Iraq without permission. The State Department is looking into the reports, as NPR's Allison Keyes reports. The three were re
2009年NPR美国国家公共电台8月
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up
Daily Free Games
By Amanda Cassandra New York 29 November 2006 Gold prices have reached record highs this year, fueling new interest in gold as an investment. But the allure extends far beyond its monetary value. Its importance as a natural resource, as a commodity
2006年VOA标准英语（十一月)
Young MBAs Compete to Solve Global Problems Solving the worlds most pressing social challenges takes passion, dedication, innovation and a good business plan, which is the idea behind the Hult Global Case Challenge. Hult International Business school
VOA标准英语2011年(十月)
What makes people dizzy when they spin? Rolling down a hill or spinning around in endless circles causes dizziness or vertigo because hair-like sensory nerve cells in our ears send wrong messages to our brain. The motions of our bodies are detected b
阅读空间
Science and technology 科学技术 Exercise and addiction 锻炼也会上瘾 Fun run 奔跑的奥秘 People, it seems, have evolved to be addicted to exercise 人类似乎在进化过程中对锻炼上瘾了 AS THE legions of gym bunnies and jogging
经济学人科技系列
be in tears 含泪，泪流满面 例： Most of us were in tears by the time hed finished his story. 他讲完故事时，我们大多数人都已泪流满面。 2. have tears in ones eyes 眼里含着泪水 例： Jane turned to me with tears in he
英语口语
饶舌:Gucci Mane - Bingo 相关介绍：来自亚特兰大的Radric Gucci Mane Davis，在发行了个人首张专辑《Trap House》四年之后，人气日渐高涨。 Bricks, Photo Shoot, Shirt Off and Stoopid and the Make the Trap Say Aye remix等
节奏布鲁斯
But, Rihanna's smell's so good. I'm not kidding. She has a scent And, to the point, 不过 蕾哈娜身上的味道很棒 我说真的 她有一种特别的味道 确切一点来说 one point, I took the elevator down the press at the hotel we were d
艾伦脱口秀
A boy and his friends find a coin. They make a small hole in it. They then tie a piece of cotton thread through the hole, and take the coin and the thread to the park near their home. They put the coin down on a path where someone walking by will see
听播客学英语
你经常有想哭的冲动吗？你哭鼻子的时候知道怎样用英语表达吗？以下是14种有关哭鼻子的表达方法。 1. be in tears 含泪，泪流满面 e.g.: Most of us were in tears by the time he'd finished his story. 他讲完故
英语口语