un. 点聚焦电子枪

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(82) / 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(99) / 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(138) / 评论(0) 分类 俚语口头禅

发表于:2018-12-24 / 阅读(124) / 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(178) / 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(126) / 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(137) / 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(127) / 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(162) / 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(72) / 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(94) / 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(96) / 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(85) / 评论(0) 分类 实用英语

Mari: Hi, I'm Mari, I'm here with Ron. Today, we're going to debate about if it's better to sit in the front of the class or in the back of the class, so I'm going to start. I always sat front-row-and-center in all of my classes all throughout my edu

发表于:2019-02-06 / 阅读(56) / 评论(0) 分类 原版英语对话1000个

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(123) / 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(108) / 评论(0) 分类 节奏布鲁斯

Mark: Hey, Mike, how's it going? Mike: Good, thanks Mark: Mike I have a question for you. What do you think about the issue of guns? Do you think that people should have a right to own a gun or do you think that it should be illegal, that people shou

发表于:2019-02-07 / 阅读(46) / 评论(0) 分类 原版英语对话1000个

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(58) / 评论(0) 分类 万物简史

Mark: Hey, Mike, how's it going? Mike: Good, thanks Mark: Mike I have a question for you. What do you think about the issue of guns? Do you think that people should have a right to own a gun or do you think that it should be illegal, that people shou

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 英语访谈对话

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(82) / 评论(0) 分类 双语有声阅读
学英语单词
alphaeus
audiofrequency meter
berti
category of vessel
cetoniidaes
closed-loop telemetry system
coinstantanean
compoundness
conformal gravity
conical seat nozzle
cross-arm
crystal loudspeaker
cute
demand quantity
diversiphiles
Eames lounge chair
earth loop
education u.s. copyright act
european swifts
floury potato
Flowery Kingdom
general-purpose control system
Gepatsch, Speicher
Great Budworth
Greec
hanft
hapned
Holy Mother
hopping john
horsetail lichens
imprisonment with suspension of sentence
initial potential flowing
inlaced
intale weight
jetadmins
kachauris
kirkland warbler
kunthianum
labourable
Likma
locatively
magnetically soft ferrite
Malimo machine
matrix graphite
mini rugby
nagyagites
Nazko R.
nebracetam
neuromechanically
Newman algebra
nonontological
North Atlantic Radio-Telephone
nucleates
obligatoriness
oil off
orange leaf disease
oxidation semiconductor
pay full value for sth
peculate
pine siskins
PMSL
policedog
protferriheme
pythmic
radiculomyelopathy
raffles
rarefied hypersonic aerodynamics
rentes
resistivity prospecting
rifampicins
rotary locking spring
Rousseauean
run-time data area
sales-driven philosophy
salinity gradient energy
seismic recorder
semicopes
skin glands
skin sarcoid tumor
slab heating
special bill
Spitskop
squeezing tube
stayes
Stria longitudinalis lateralis
technoerotic
telemechanisms
ten-ton
third stage of labo(u)r
thrombophlebitides
to squeeze out
top-lines
training expense
transinterhemispheric approach
Transjordanian
trasal glands
triphenyl orthoformate
tyre-chain repairing pliers
UNPUB
velocity of wave propagation
Visoderm