电子束疗法

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(184) / 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(128) / 评论(0) 分类 英文杂志-Magazine

Broadcast: June 11, 2003 By Nancy Steinbach This is the VOA Special English Health Report. New research has found another danger of hormone replacement therapy1. The therapy studied involved the hormo

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 VOA2003(上)-国际经纬

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(94) / 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(147) / 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(126) / 评论(0) 分类 不择手段背单词

Today in Taiwan, people from all walks of life are choosing to be stung by bees, often dozens of times in one sitting. Shourang Chen is battling multiple sclerosis , a disease which slowly causes the body's nerve to deteriorate. For six months, I was

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 国家地理2007年

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(218) / 评论(0) 分类 2017年VOA慢速英语(十)月

By Robert Raffaele Washington 29 April 2008 For the first time, scientists have used gene therapy to dramatically improve sight in people with a rare, inherited form ofblindness. Researchers in Philadelphia and London are calling the results a milest

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 VOA常速英语2008年(四月)

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(192) / 评论(0) 分类 英美文化

By Leta Hong Fincher Washington 13 August 2007 A study has found that women with breast cancer who take part in group psychotherapy do not live longer than those who do not -- contrary to a much-publicized study from 18 years ago. But the author of t

发表于:2019-01-09 / 阅读(169) / 评论(0) 分类 2007年VOA标准英语(八月)

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(197) / 评论(0) 分类 美国习惯用语

[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(211) / 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(115) / 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(148) / 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(139) / 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(128) / 评论(0) 分类 实用英语

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(107) / 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(108) / 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(143) / 评论(0) 分类 双语有声阅读
学英语单词
abusages
aditus orbitalis
anagalactic nebula
Angemuk
anti-political
Antoinette,Marie
Aoneian fount
aortae
asequence
automatic data plotter
backs onto
belid
bobbitt
breech ring
cefamezin
cellar area
Cinnamomum pedatinervium Meissn.
composite sill
cross shaft guide
cyberjournal
day wage
dentiate
depliator
dialyzer(-ser)
discrete-time comtroller
dura mater
ebrechtella pseudovatia
enzyme chemistry
extended enterprise
fallingin
faraday roation switches
Faraway Place
filled-system thermometer
flagstone walk
forensicist
Fort Hall Indian Reservation
fresh fish carrier
gas(-lubricated) bearing
General Tariff Rate
genus Vinca
glass blister
haircares
hard-type modulator
heterozyme
hopyard
instantaneous attribute
inversion of control
isopropyl benzoate
Lao Ta
leave a bad taste in your mouth
left lymphatic duct
letter frequency in English
limiter in analog computing
lowtemperature cabinet
make harbour
manual telephone office
marchal
mohebian
morowe
motor pedicab
mycena chlorophos
negotiablecharacter of document
non-core
non-yielding assets
nonmalleable
nonsquamous
ochlerotatus
old socks
polyhelicenes
potash metasomatism
preferrred
Prymnesiaceae
Pyridine-4-Carboxaldehyde
Rabiea
reach rod eye
realties
rental and maintenance
resin-rich mica tape
revivifier
S.M.
Saint-Leger
Sajzī
sandwich-boxes
sangfroid
semiclosed-type impeller
setting centrifuge
show a clean pair of heels
silicone gel filled breast prosthetic implantation
strength of gear tooth
subject heading language
subsellia
subspecialize
syllogisms
syncholia
the lever of finance and taxation
theatricism
to lay it on the line
truthwards
up-beat
venae transversa scapulae
vote by secret ballot
wheatsheaf