[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
acetaldehyde resin
aerodynamic performance
AFNSW
antimitogenic
Arabian coffee
artificious
at this stage
back and side
bale aligner
bathe in blood
be mentioned in the same breath
bill signed in acknowledgement of debt
bingo wings
bullectomy
Caicara
cartelized
ceded territory
Ceryle
Cucurbitacine
cyclosa shinoharai
Cyperus eleusinoides
decommitment
detrusor urinae of bladder
dioid
disclosest
Dubyaea panduriformis
emprime
engineering-grade
environmental electricity
equipotentialities
excitation build-up
failure-tolerant design
fictitious correction
fire-retarding division
formosan lesser horseshoe bat
free end travel
Friday Harbor
good stuff
goozner
gun breach
Helmand
hypogastric region
image coordinates
insidiation
inspection certificate of value
Lee & H.
linen crepe
liveability
local population
logic-arithmetic unit
louis le faineants
Mahasabha
measuring telescope
mechanical barrier
micropattern
momia
multiple reentry vehicle
mzansi
Ni
nitro-sulfuric acid
nitroglycerins
non-fractionating distillation
nuff nuffs
nukas
opposed compressor
optics of thin film
palladate
parallel line gratings
pile drawing engine
pneumatic to current converters
polarde
Polepy
poskonov
read font
reverberation method
rhodium black
rijs
Rincón de Soto
rosy-fingereds
rust ball
Scenario Objectives
semi-automatic toll dialling
semis
smoothing power
social statistics
softened
sorcerise
stable colloid
stow all over
systemtransposition
the gifted
traditional art
true amplitude recovery
ufiprazole
uptraining
urogonadotropin
voltage source inverter
warmly invigorating spleen and stomach
well-looked
wrangled
xeromorphosis
xml engine