[电] 小型电子管

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(203) / 评论(0) 分类 用mp3背四级单词

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(143) / 评论(0) 分类 英文杂志-Magazine

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(106) / 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(164) / 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(235) / 评论(0) 分类 2017年VOA慢速英语(十)月

My friend Gayle has been living with cancer for four years and it is proGREssively getting worse. During a conversation with another friend, Gayle expressed that one of her childhood wishes was to have a red Radio Flyer wagon. As a child she never re

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 趣味英语

Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an

发表于:2019-01-07 / 阅读(219) / 评论(0) 分类 六分钟英语

行如其人It was a sunny Saturday afternoon in Oklahoma City. My friend and proud father Bobby Lewis was taking his two little boys to play miniature golf. He walked up to the fellow at the ticket counter and said, How much is it to get in?这是奥克

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 实用英语

大学英语演讲稿范文 I have been in University for about one year. During my stay here, I came to realize that university life is like drinking coke. We experience all tastes of life here, sour, sweet, bitter and hot. I am from Province, which

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 英语演讲

HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. (MUSIC) I'm Bob Doughty. On our show this week: We answer a question about singer and actress Hilary Duff /P Tell about a young woman who does an exciting water sport ... And report about the

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 VOA慢速英语2007年(四)月

BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn

发表于:2019-01-16 / 阅读(270) / 评论(0) 分类 伦敦生活

[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(233) / 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(131) / 评论(0) 分类 TED演讲教育篇

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(167) / 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(156) / 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(141) / 评论(0) 分类 实用英语

My friend Gayle has been living with cancer for four years and it is proGREssively getting worse. During a conversation with another friend, Gayle expressed that one of her childhood wishes was to have a red Radio Flyer wagon. As a child she never re

发表于:2019-02-12 / 阅读(128) / 评论(0) 分类 英语美文

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(122) / 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(121) / 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(157) / 评论(0) 分类 双语有声阅读
学英语单词
access inspection
adaptive algorithm
amazonica
an old Parliamentary hand
approach plate
arnoult
avipoxvirus canarypox
balda
Batudaka
be all legs
beta decay energy
Bills of Mortality
bitusol
blue gag
bonan
bugger-all
burnout velocity
buybacks
Cassini's law
Cerepax
chamber ballet
Chare Thursday
chemical vapo(u)r deposition
cloudbook
confocal resonantor
courtesies
declawing
deep bar motor
degree_angle
detorting
development stage
digital forensics
dog ear
double bolted shackle
dried soya cream
electric furnace smelting
electric hot water bottle
en-gree
encasements
esophageal refluxes
ex vivo perfusion
ferning of cervical mucus
Fife County
figueredo
Gizel'
growth spurts
guacharo
Hazo
inflation phobia
Isle Maligne
isomorphous replacement
jewellery box
lemon juice milk
link text
Llanfair Talhaiarn
loftbombing
long-note
low temperature compartment
low-melting point alloys
machine accuracy
magnetostrictive cutting machine
matter of fact
Mindel-Riss
monostable switch
n-octadecane
nassaria solida
native-born
neate
non-militaries
Pattendorf
pedal cross shaft lever
plaster bed
polyglottology
potato mildew
proof of deducibility
protective legislating
pure functional language
pushfiller
recording albedometer
rhinolith
rockfoil
roisting
rving
Sarcobatus vermiculatus
sawtrer
scolopocryptops sexspinous
Sophiopsis annua
speck dyeing
St. Ab.
Tacca plantaginea
temporozygomatica
to draw
tortoiseshell cat
traditional healers
tubercula posterius
unsampling
us office
walk one's round
washing powders
water-budget
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winterton