(MeV)兆电子伏

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,

发表于:2018-11-29 / 阅读(249) / 评论(0) 分类 用mp3背四级单词

16. The coming of the railways in 1830s____ our society and economic life. A. transformed B. transported C. transferred D. transmitted economy 经济 economic 经济的 economical 节俭的 economics 经

发表于:2018-12-01 / 阅读(291) / 评论(0) 分类 新东方赵丽词汇课堂

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

发表于:2018-12-07 / 阅读(184) / 评论(0) 分类 英文杂志-Magazine

The new gasoline/electric hybrid Chevrolet Volt Today President Obama visits a U.S. auto plant that makes the battery-powered Chevrolet Volt. Some analysts think the Volt could revitalize the struggling American auto industry with its high-tech batte

发表于:2018-12-08 / 阅读(156) / 评论(0) 分类 VOA标准英语2010年(七)月

By Paul Sisco Washington, D.C. 26 July 2007 Representatives from American auto manufacturer General Motors recently were in Washington, D.C. to showcase the electric Chevy Volt. GM says the vehicle will change the way people commute, reducing emissi

发表于:2018-12-16 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(七月)

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

发表于:2018-12-19 / 阅读(140) / 评论(0) 分类 TED演讲教育篇

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

发表于:2018-12-24 / 阅读(210) / 评论(0) 分类 Scientific American(九)月

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

发表于:2019-01-03 / 阅读(278) / 评论(0) 分类 2017年VOA慢速英语(十)月

After emerging from bankruptcy last year, Detroit automaker General Motors promised to be a more efficient company, selling more vehicles customers want to buy. One vehicle the company is pegging its future success on is the gas and electric powered

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(五)月

[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

发表于:2019-01-16 / 阅读(287) / 评论(0) 分类 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

发表于:2019-01-17 / 阅读(182) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r

发表于:2019-01-30 / 阅读(196) / 评论(0) 分类 农业与发展

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

发表于:2019-02-03 / 阅读(207) / 评论(0) 分类 英文语法词汇

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

发表于:2019-02-05 / 阅读(202) / 评论(0) 分类 实用英语

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

发表于:2019-02-05 / 阅读(171) / 评论(0) 分类 实用英语

NHTSA Opens Probe into Chevrolet Volt Fire Federal safety officials are looking into battery-related fires in General Motors' new electric-powered Chevrolet Volt automobile. The fires occurred after the officials crash-tested the vehicle. One of the

发表于:2019-02-06 / 阅读(203) / 评论(0) 分类 VOA标准英语2011年(十二月)

What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu

发表于:2019-02-17 / 阅读(155) / 评论(0) 分类 万物简史

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

发表于:2019-02-17 / 阅读(165) / 评论(0) 分类 万物简史

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

发表于:2019-02-17 / 阅读(176) / 评论(0) 分类 万物简史

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

发表于:2019-02-25 / 阅读(207) / 评论(0) 分类 双语有声阅读
学英语单词
-zia
a Guillotine
accountable
across-country
administrative practice standards
affine unimodular group
AG-focused section
air observation post
alloy-wire drawer
anthropise
Antoine Henri Becquerel
argyrosomus pawak
array target tube
autobloc
auxiliary minelayer
availability characteristics
bio-control system
Blum's reagent
Bosch metering system
Bounty Is.
cabinet trade
cantonising
chest warming
cideferron
circulation of velocity
Citizens' Band
commercial depression
consumer price
conventionalizations
dematiaceaes
Diacetylthiamine
distillate pump
effcient
electroluminescent display device
entrepreneurialize,entrepreneurialise
explicit transfer of control
femoro-alary organ
flexure diaphramatic
four-way tube box
frequency-sharing circuit
furse
Gonatodes
gross modal
Heisenberg's algebra
indirect overcurrent release
inorganic chemical pollution
kurdjumov-sachs relationship
low-level cracking
lushan formation
maximum field
mentulae
microphitic texture
microprocessor system auxiliary support
mooted
multicellular glass
N. H. & C.
Narcao
neutron-flux level
Nevelson, Louise
newspaper page facsimile apparatus
nonchalky
nonscientific
Parkia leiophylla
pedal gland
Pediococcus parvulus
pitch of tone
plasmalike
pleomorph
programming language structure
pseudobacteremia
quinlin
repossessed goods
resign oneself meditation
Riza Shah Pahlavi
rock structure
romulo
Ryūgatake
Scolopia chinensis
self-adhesion
semi-developed nation
Shuchuanping
sizzurp
springold
submicronic cmos
superconducting super collider
supervinyi chloride resin
system of coplanar forces
terseness
the lump
the other side of shield
Tractatus Coislinianus
trail-net
transposition foliation
trifacial
turneresque
turnover number(of an enzyme)
underwater launched guided missile
unperceptively
whinnock
winebibbing
yangqi
Zhestyanka