单词：poles of magnetic needle
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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
Idiom: Needle and a haystack 大海捞针 Hit the book： Master As well as Mood Chemical Be stuck on Discover
趣味青春英语
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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044 The Darning Needle Long ago, there was a needle. She thought she was so delicate that she was appropriate only for embroidery. Hold me tight. I am so tiny that you can't find me if I fall on the floor. The needle shouted at the fingers. What an a
100个儿童英语小故事
By Paul Sisco Washington, D.C. 24 November 2006 watch Polar Melting report 2007 is International Polar Year. It's an international effort to spur scientific research at the most forbidding places on Earth, primarily because many in science consider
2006年VOA标准英语（十一月)
BBC Learning English Weekender Poles in the media Callum:Hello, I'm Callum Robertson and this is Weekender. One of the largest groups of new migrants to Britain are Poles. In 2004 Poland entered the European Union which gave Polish people much great
Weekender
ARI SHAPIRO, HOST: There are cyclones at the poles of Jupiter. That's one of the surprises that NASA is reporting today. The space agency's Juno probe has been orbiting the gas giant since last summer. It's completed six revolutions of the planet so
2017年NPR美国国家公共电台5月
释义： Stack：干草堆；Something that is extremely difficult to find. Anything that's on the verge of being impossible.很难找到的东西，也就是大海捞针； 来源： Today, this phrase is typically said as It's like trying to find
英语俚语天天说
Earth's magnetic field has reversed thousands of times since its formation 4.5 billion years ago. And scientists now believe that the next reversal is imminent. The race is on to predicting exactly when it will occur. In 2010, the European Space Agen
自然百科2011年
Glatsmire's model shows that the magnetic poles swap places spontaneously due to / complex processes within the core. We were used to the idea that a compass points somewhere near the North Pole and hence we can use it for navigation, but there are p
自然百科2011年
This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam
2010年慢速英语(二)月
A recent study found almost 60 percent of surgical residents admitted they had sustained needlestick injuries when they were medical students. Blunt tip needles, such as this one, are considered safer A recent study shows that medical students and ho
VOA标准英语2010年(二月)
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
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周五晚上Pub见：Magnetic Man - I Need Air Magnetic Man，来自英国的新人，这首电子风的新单曲本周同样杀入英国单曲榜前十一周上榜那么多舞曲，生活需不需要这么五彩缤纷啊这张单曲封面要不要这么
经典英文歌曲
周五晚上Pub见：Magnetic Man - I Need Air Magnetic Man，来自英国的新人，这首电子风的新单曲本周同样杀入英国单曲榜前十一周上榜那么多舞曲，生活需不需要这么五彩缤纷啊这张单曲封面要不要这么
流行英文歌曲
That explained where all the sediment went. It was being returned to the bowels of the Earth. It also explained why ocean floors everywhere were so comparatively youthful. None had ever been found to be older than about 175 million years, which was a
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