[网络] 多束电子枪

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(184) / 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(211) / 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(243) / 评论(0) 分类 俚语口头禅

发表于:2018-12-24 / 阅读(250) / 评论(0) 分类 英语口语1+1

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(187) / 评论(0) 分类 不择手段背单词

Teacher: What is the plural of Man, Tom? Tom: Men. Teacher: Good. And the plural of child? Tom: Twins. 老师:汤姆,男人这个词的复数形式是什么? 汤姆:男人们。 老师:答得好。那孩子的复数形式呢? 汤姆:双胞胎。

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 英文笑话

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(279) / 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(274) / 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(246) / 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(265) / 评论(0) 分类 美国习惯用语

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(255) / 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(270) / 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(291) / 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(184) / 评论(0) 分类 TED演讲教育篇

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(203) / 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(172) / 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(232) / 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(233) / 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(177) / 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(207) / 评论(0) 分类 双语有声阅读
学英语单词
administrative and budgetary committee
Albergaria dos Doze
Ambient Temperature Sensor
annesi
aschenbach
auristillae
autarkist
auter
B-schooler
ball joint manipulator
banned substance
basic scheme
boussena
breanne
carbon transfer coefficient
catawissa creek
cell lethals(demerec & hoover 1936)
chimuyil
common rejection
cone pulley
conversion between hardness value and tension strength for metal
dangerous situation
de-alloying
DEPOLYMN
dermophobe
diastrophic dysplasia
dry rub
earth roller
eczema tyloticum
electric network reciprocity theorem
elliptical aperture
environmental therapy
epoch of orientation
equipment incomplete
facsimile mail
fasold
Friendly Islands
gallbladder channel of foot-Shaoyang
geometric data of cascade
germinal area
green pus
hard sectored disk
housing flange
intrinsic defect
invoice
Jizerské Hory
Kangyi
Kyrghyz
Lepidagathis fasciculata
light-adapted eye
linkage head
longitudinal resolving power
McNaughton L.
mediugum sanasaii
midi coat
miniprojector
musculus extensor digitals
nervi heamorrhoidales medii
new transmission plan
nonadults
nuclear parameters
paper folding machine
play pew
prairie fire
prior patient identifier list
protecteur
puppodums
querned
raft way
rear connection
reopener clause
riens per descent
roentgenkater
Rose Garden rubbish
Ru'ūs, Jab.ar
scale handing system
secondary recycle isobutane
signal for locating
SIP phone
st. paul i.
student leadership
sub-cloud
supplementary storage
supraorbital groove
szabados
taleju
tangle orchids
tappet wear surface
tension device
terminal manoeuvring area (tma)
true thickness
turn inward
turns up the heat
twin words
undeterminable losses
unit built machine
waterline attack
watthourmeter
wet fiber filter
wpa
zealotical