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This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene
Scientific American(十)月
VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we tell about a system of planets orbiting a star called Fifty-Five Cancri. And we hear about a plan to harvest electricity from cro
VOA慢速英语2007年（十二）月
请看相关报道： Quick Response codes(QR code) have been used in advertisements for years, and a handful of American funeral homes began attaching them to gravestones in early 2011. 快速回应码在广告界已经使用好几年了，有一部分
英文语法词汇
And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们，没有跌倒也要小心，因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在，进入这个行星真正的
TED演讲娱乐篇
2009年的一部3D大片《阿凡达》让很多人都记住了avatar这个词。在网络上搜索这个词，出来的结果大部分也都跟这部电影有关。其实，avatar并不是导演造的一个词，它在印度教中指圣人的化身。
英语口语
An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing
英闻天下