单词：permeablility magnetic material
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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
Scientific American(八)月
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
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By Anna Ardayeva Moscow, Russia 17 August 2006 watch Nuclear Stockpile report It's been almost 15 years since the United States launched its program to help secure the world's largest nuclear stockpile -- in Russia. But analysts warn that the effort
2006年VOA标准英语（八月）
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
英语新闻
By June Soh Washington 04 May 2007 Artists use a variety of materials for their creations -- paint on canvas, pencil on paper, metal or stone sculpted into life-like form. Still others create works totally unique from glass. VOA's June Soh met one s
2007年VOA标准英语（五月）
Although audio tapes and video tapes look different, theyre based on the same principles. Each has a roll of magnetic material which slides past the so-called playback head in the VCR or cassette deck (cassette decks have one playback head, VCRs have
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