单词：electron detection
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In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo
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身体健康常用词汇 regular check-up / health checks定期体检 die from / of (cancer)死于癌症 make it to the end of your natural term有幸自然死亡 take risks冒险 earlier detection and treatment更早的诊断和治疗 place strain o
四六级词汇与结构练习
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin
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Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T
地道美语播客
Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺
2017年VOA慢速英语(十)月
SCIENCE REPORT – January 17, 2002: Lying Eyes By George Grow Lying eyes (bottom) give off increased heat (Photo -Dr. James Levine) This is the VOA Special English SCIENCE REPORT. Scientists say they
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AS IT IS 2014-07-13 Move over World Cup, Time for RoboCup 世界杯后开始机器人杯 The end of the World Cup does not mean the end of international competition in Brazil this year. A major football event will happen in the South American country
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From Shakespeares Pen to Our Mouths 从莎士比亚的笔到我们的嘴 Now, time for Words and Their Stories from VOA Learning English. William Shakespeare is probably the most famous English-language writer ever. Historians think Shakespeare was b
2016年VOA慢速英语(五)月
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闭着眼睛飘单词 四级词汇
But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a
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By Paul Sisco Washington, DC 17 October 2007 Medical imaging and improved computer technology are significantly making the detection of heart disease easier, safer and better. VOA's Paul Sisco reports. Dr. James Earls is the medical director at Fairf
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Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom
万物简史
With a variety of bands, and price tags ranging all the way from $349 $17,000, theres an Apple Watch for everyone. Except, possibly, the heavily tattooed. 面向大众推出的Apple Watch，款式多样，价格从349美元到17000美元不等。现在
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PERTH, Australia/KUALA LUMPUR, April 6 (Xinhua) -- Chinese and Australian ships have picked up acoustic signals while searching for missing Malaysia Airlines Flight MH370 in the southern Indian Ocean. The underwater detection represents an important
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Chinas first dark matter detection satellite Wukong has completed its in-orbit testing. The satellite was launched last December by a Long March rocket. Wukong has detected 460 million high energy particles, and sent about 2.4 terabytes of raw data b
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The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen
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D deadlock,declaration,deficiency,deflection,degradation,delegation,delivery, democracy,demonstration, departure,dependence,deposition,depression,deputy,derivation,destination, destiny,destruction, de
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