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Scrap-Metal Separation May Become Cheaper 新技术降低废金属分离成本 According to the Environmental Protection Agency, the United States throws 14.8 million tons of scrap metal into landfills every year. One of the main reasons is the diffi
A MARTINEZ, HOST: Out in California where some conservatives are getting tired of feeling like outsiders. Their dream - to live among like-minded neighbors in Republican-leaning places. As NPR's Vanessa Romo reports, some are choosing Texas. VANESSA
文本: S:Morning! Oh, how are you feeling? H:I...I didn't sleep very well. S:Oh, that's a shame.Shall I make us some coffee? Oh, look, you've got damp! H:Listen, last night...Why did you say you hadn't seen anything? I mean, I only saw the
When you sail for London you have to set your watch ahead each night when you go to bed, 如果你乘船去伦敦,每天晚上睡觉前你必须把手表调快一点, so that when you reach London your watch will be five hours ahead of the time y
In a controversy that is sweeping the country, many Americans oppose a plan to build an Islamic Center just two blocks from the site where al Qaeda terrorists toppled the twin towers of New York's World Trade Center, on September 11, 2001. Supporters
Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 The Biggest Magnet 最大的磁体 A: Whats the biggest magnet ever? B: Well, that's a great
By Michael Bowman Washington 27 November 2007 Weeks after being told to shut up by the King of Spain, Venezuela's President Hugo Chavez is now engaged in a bitter, highly-personalized war of words with Colombian President Alvaro Uribe. VOA's Michae