屏蔽式电子枪

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(138) / 评论(0) 分类 英文杂志-Magazine

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(158) / 评论(0) 分类 Scientific American(九)月

【句子对照】 Hey, don't jump the gun. Listen to what he has to say before you make a decision. 嗨,不要操之过急,在做决定之前听听他怎么说。 【关键俚语】 jump the gun 英:To act too soon, before the proper time; to act on an impulse, without thinking

发表于:2018-12-24 / 阅读(197) / 评论(0) 分类 俚语口头禅

发表于:2018-12-24 / 阅读(180) / 评论(0) 分类 英语口语1+1

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(229) / 评论(0) 分类 2017年VOA慢速英语(十)月

今天我们要给大家讲解的两个习惯用语都是以

发表于:2019-01-07 / 阅读(203) / 评论(0) 分类 美国习惯用语

我们曾经讲过几个和gun也就是枪炮的

发表于:2019-01-07 / 阅读(200) / 评论(0) 分类 美国习惯用语

Top Gun Bottom line 每个人的生活道路几乎都是崎岖不平,有上有下的。当然,一般人都喜欢攀登到社会的高峰,而不愿意沦落到社会的最低层。美国的俗语和

发表于:2019-01-07 / 阅读(200) / 评论(0) 分类 美国习惯用语

Participants at the United Nations Climate Change Conference in Cancun, Mexico are complaining about long delays amid heavy security. Some environmental activists say they are being kept well away from conference sites, and when a group tried to stag

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2010年(十二)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(223) / 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(128) / 评论(0) 分类 TED演讲教育篇

It's hard to admit that I need help, but I do. For 45 days from the end of December to early February, I was in inpatient therapy receiving guidance for the issues I'm facing. I have a long way to go. But I've taken my first steps in the right direct

发表于:2019-01-18 / 阅读(179) / 评论(0) 分类 偶像励志英语演讲

电梯故障 Elevator Accident 本杰明下班回家,遇到了小小的电梯故障,他会因这次故障发表怎样的感慨呢?让我们来洗耳恭听吧! Listen Read Learn Benjamin: That was really a nightmare! Shirley: Honey, what's up? Benjamin: I was stuck between 15th and 16th flo

发表于:2019-01-21 / 阅读(132) / 评论(0) 分类 英语口语大赢家

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(157) / 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(150) / 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(134) / 评论(0) 分类 实用英语

我们今天要讲的习惯用语有一个共同的词: top。大家一定早知道这个词。它解释顶端。一般说来高高在上的总比压在底层的来得优越。这正反映在我们先学的两个习惯用语里: top gun. Gun是枪。

发表于:2019-02-06 / 阅读(184) / 评论(0) 分类 美国习惯用语

饶舌:Hollywood Undead - Bottle and a gun 相关介绍 :Hip-Hop,Metal,Emo,电子,混合一起是什么感觉?就是他们,Hip-hop为主,金属为辅,screamo偶来捧场.创造出了这只杰出的乐队.这是他们发行的第一张专辑. 歌词

发表于:2019-02-07 / 阅读(170) / 评论(0) 分类 节奏布鲁斯

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(118) / 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(155) / 评论(0) 分类 双语有声阅读
学英语单词
adjectivality
adjustment of inventory
air refreshing tube
ajuga lanosa sun.
Albanianness
alert field
alphabetical puncher
anagenetically
apobec
Argallon
Avogadro hypothesis
base circle of involute helicoid worm
beveren rabbit
bivacancy
Bozova
brake counter weight
built-up tappet
carbonized
catabolises
chenopodium album l. var. centrorubrum mak.
chidambarams
cibolero
clutch shifter
context-stimulus
crossing my fingers
crwon forest
cybersport
damage to cow
destroyer escorts
diplomatic matter
dipsies
document scope
drift leeway
Dujardin
electric stress
electrokinetic phenomenon
exhaust snubber
famewhores
Faïmbé
fellic
finite horizon model
fire coupling
floc-matrix
foreign currency transaction
freidmen
gas-holder high-pressure
ghahramani
glass shutter
greek text
guard-ring
guide-bearing
half sovereign
Hargreaves, James
harpootlian
hotel glass ware
initial stabilized time
Kamal
kasubi
libertyman
macropipelining algorithm
mast shoulder
meandric numbers
mehter (turkey)
Melodinus fusiformis
mid-fifties
model age
morea (peloponnesos)
multiphoton transition
navicula scintillans
near vision
omnipotency
Option elasticity
party-jam
Paxilleae
precision minimum altitude
privileged program state
reflection loss measuring instrument
rich concrete
routine operation
rutinoside
sarcaustic
self-replacing system
set one's mind at ease
skin construction
slynesses
social media listening
statistical-dynamic model (sdm)
stone pressure
subsequent time period
Sucks to you!
surgicenters
swinging block slider crank mechanism
the Crab
the narrow house
thecal cyst
tilting box
trichoropis cednulli
trolley-base
typhoid fevers
U-mode record
Waler