聚束电子注

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(206) / 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(227) / 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(149) / 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(108) / 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(173) / 评论(0) 分类 Scientific American(九)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(145) / 评论(0) 分类 不择手段背单词

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

A new business was opening and one of the owner's friends wanted to send flowers for the occasion. They arrived at the new business site and the owner read the card; it said Rest in Peace. The owner was angry and called the florist to complain. After

发表于:2019-01-07 / 阅读(123) / 评论(0) 分类 趣味英语

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(211) / 评论(0) 分类 英美文化

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(223) / 评论(0) 分类 美国习惯用语

Ting Fang found the first sandal. It was lying by the road and was a very dirty, wet piece of straw. 方廷发现了第一只草鞋,它被丢路边,又脏又湿 Ting Fang shouted when he found it, and the children called, 方廷发现后大叫一声

发表于:2019-01-16 / 阅读(116) / 评论(0) 分类 美国小学英语教材4

[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(239) / 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(137) / 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(170) / 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(161) / 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(146) / 评论(0) 分类 实用英语

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(123) / 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(129) / 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(127) / 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(164) / 评论(0) 分类 双语有声阅读
学英语单词
a lots of
Abort.
actio arbitraria
aircraft transport
al hafar
all-in position
alpine snowfield
anomalous propagation
antimagnetic material
articulationes carpometacarpeae
asphericity coefficient
Atascosa R.
avulsion of scrotum
basec acid
bike-path
biolimited
bisecting technique
brittle zone
carry flag
centre pier
centred on
chashao
ciotti
corporate business results
cuckmere r.
D2O (drain tank)
Demyansk
dinsor (diinsoor)
double data
dyfs
Esperantology
extended period
favorable outcome
fissidens bryoides schmidii
fludroxicortide
force function
frame-to-frame correlation
freezin' balls
glutining
Godel completeness theorem
grave incident
growl about
hepatocarcinogenesis
HERPET
hog cholera bacillus
Houyet
in-house monetary accounting
incisurae frontalis
individual depreciation
inertance element
initialization mode
KIAERASPIDAE
laboured
large power semiconductor device
leapfrogging
liability for fault
lithologic hydrocarbon reservoir
m. glut?us minimus
magnetic induction flux
mail piece
metal cleaning soap
metameric sacs
modem conversion function
Momalle
mooring anchor
mucor mucedo l.
nervi meningeus medius
nugrohoes
order Nidulariales
order Temnospondyli
overmeddle
parasitisation
parlow
peronospora euphorbiae-thymifoliae
plastic paint
polymicrotom
psilogramma increta
pterocladia tenuis
pulau-pulau
pullastrine
restricted yield strength tubing
retarding spark
revolutions per second
same sequence
Saratoga
secure the diving stations
sociolinguistically
spicy
spituose
syphilis foetalis
tambopata
tenures
toss it in
totons
transport rocket
Tulare County
unconsciousness
unnumbered command frame
vegetation succession
videologic
wenjing decoction
zinc rich epoxy primer