用mp3背四级单词32

efficiency-效率,功效 elaborate -精心计划的,详尽的 elastic -橡皮圈,松紧带 elbow -肘,肘部 elderly-较老的,年长的 elect -选举,推举 electrical -电的,电气科学的 electron-电子 electronic -电子的 elegant -优美的,文雅的 element -元素,要素 elementary-基本的,

世界名牌博览：壳牌

荷兰皇家壳牌集团（Royal Dutch /Shell Group of Companies），又译蚬壳，是目前世界第一大石油公司，总部位于荷兰海牙和英国伦敦，由荷兰皇家石油与英国的壳牌两家公司合并组成。它是国际上主要

英文杂志-Physics

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

TED演讲：气味背后的科学(8)

OK, great, we smell vibrations. How? All right? 好吧，我们闻到的是震动。怎么闻到呢？ Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

SSS 2011-09-27

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

壳牌伊朗开发计划或遭美政府制裁

The energy company Royal Dutch Shell and the Spanish energy company Repsol have signed a multi-billion dollar deal with Iran's state oil company to develop gas fields in the Persian gulf, but the deal may lead to sanctions from the United States. Ru

各大品牌英文介绍-Royal Dutch Shell

Royal Dutch Shell, known worldwide simply as Shell, is an Anglo-Dutch petroleum company. It is one of the six largest oil exploration, natural gas, and petroleum companies in the world and was listed as the world's eighth largest company in 2010. She

VOA慢速英语2017 三位化学家获得诺贝尔化学奖

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

北极的国际石油争夺战

AS IT IS 2015-09-04 Countries Compete for Oil in the Arctic 北极的国际石油争夺战 Russia, the United States and other countries are hurrying to control Earths northernmost territory: the Arctic. It is rich in oil and natural gas. The countri

闭着眼睛飘单词 四级词汇32

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

TED演讲:为什么玻璃是透明的(2)

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

英文歌曲:From A Shell

From A Shell Lisa Germano And the Earth spins round While the people fall down And the world stands still Not a sound, not a sound There is love, there is love To be found In the worst way, in the worst way In the worst way Its the buzz, its the buzz

英语词汇分类：核能

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

VOA常速英语2007年-Huge US Reserves of Oil Shale Hold Promise, But

By Greg Flakus Piceance Basin, Colorado 12 November 2007 As the price of oil soars on world markets and demand for energy grows, energy companies are looking at so-called unconventional sources such as Canada's oil sands and the vast deposits of oil

Shell in Court Over Nigeria Pollution Charges

Shell in Court Over Nigeria Pollution Charges LONDON The international oil and gas company Royal Dutch Shell was in court Thursday facing charges of polluting Nigerian villages. The case has been brought in a civil court in The Hague by four Nigerian

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

微电子辞典-2

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

万物简史 第205期:威力巨大的原子(19)

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

万物简史 第200期:威力巨大的原子(14)

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

双语有声阅读：显微技术

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