单词：ONB(o-nitrobiphenyl)
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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
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its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
通常在战争中，我们只看到前线士兵和战斗的故事。在TEDGlobal 2010里，Zainab Salbi 讲述后方振奋人心的女人们的故事, 这些女人在战火中仍努力维持正常的生活。她呼吁在战争结束时，女性也应成
TED公开课:和平使者
分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine
麻省理工学院公开课：单变量微积分
分集介绍：导数，斜率，速度与变化率 Derivatives.slope.velocity.rate.of.change
麻省理工学院公开课：单变量微积分
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
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[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏，它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标
英语对接游戏
以 Bumpy Ride 而一炮走红的瑞典/刚果新人歌手Mohombi，去年发布了与RB巨星Akon合作的新曲Dirty Situation，如今已发布专辑 Movemeant。 他是第一个签入著名瑞典音乐制作人RedOne旗下的新歌手，单曲 Bu
天籁音乐
异地恋。Long distance relationship现在大家都知道了吧，但是因为美国的地理，有一个词叫bi-coastal relationship，是不是很独特呢？
OMG美语
Fred: Hi, Shibika, so this is almost the end of the year, 2007. Can you tell me a bit, how was your year this year? Shibika: Yeah, I had pretty nice year actually. I went through a lot of ups and downs, and yeah, at first I did really well in my clas
原版英语对话1000个
Kitty was a black cat with a white tail. Kitty lived in California. His owner was Kathy. Kathy loved Kitty. She fed Kitty the best food. She cleaned Kitty's litter box every day. She took Kitty to the vet every six months. Kitty slept in Kathy's bed.
英文短篇故事（纽约）
HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure
健康与经济
Salbi's Women for Women International gives women who've survived war the tools to rebuild their lives Mohamed Elshinnawi | Washington, DC 15 December 2009 Zainab Salbi was named Washingtonian of the Year in 2006 by Washingtonian Magazine In 1993, Za
VOA标准英语2009年(十二月)
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
kthxbi其实就是Okay, thanks, bye的简写， k = ok thx = thanks bi = bye 意思就是：好了，谢谢，再见。通常用在比较急的时候，想尽快的结束对话。 注意：要慎用，有时会显得粗鲁无礼，甚至有讥讽的感
美国俚语
Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833
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