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By Paul Sisco Washington 30 March 2007 watch NASA Sun Study Several times each year, scientists and administrators at the US. Space Agency's headquarters in Washington, unveil their most recent discoveries and activities, and plans. VOA's Paul Sisco
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the
[00:00.00]Lesson Ten.Hello,hello. [00:20.01]Please say these words after me. [00:24.87]computer TV VCR videotape [00:36.70]camera stereo tape recorder [00:45.84]In this lesson,we talk about technology:TV....TV? [00:53.79]Television.And VCR...VCR? [01
说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪
I was born a blonde, I've always been a princess A queen of hearts, now a mother Where is the replacement for the world's front cover? From one English Rose to another I want to be the new Diana Lying on a yacht reading photo-magazines I want to b
The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field