次级电子导电视像管

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(173) / 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(200) / 评论(0) 分类 Scientific American(九)月

模仿文本:Take the relationship between the world's second biggest mining company Rio Tinto and the government of Mongolia. In the last few years, Rio Tinto has spent over $6 billion building a vast copper mine way out in the Gobi desert. It's d

发表于:2018-12-28 / 阅读(146) / 评论(0) 分类 英音模仿秀

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(270) / 评论(0) 分类 2017年VOA慢速英语(十)月

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children

发表于:2019-01-03 / 阅读(189) / 评论(0) 分类 英汉幽默故事选读

[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(275) / 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(165) / 评论(0) 分类 TED演讲教育篇

写信的原则(Writing Principles)已从原来的3个C(Conciseness, Clearness, Courtesy)发展到目前的7个C:Completeness, Clearness, Concreteness, Conciseness, Correctness, Courtesy, Consideration实例: Dear Sirs,With reference to y

发表于:2019-01-20 / 阅读(179) / 评论(0) 分类 实用英语

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(199) / 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(190) / 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(163) / 评论(0) 分类 实用英语

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(169) / 评论(0) 分类 英文语法词汇

BEIJING, March 5 (Xinhua) -- China maintains its 2013 gross domestic product (GDP) growth target unchanged at around 7.5 percent this year to leave some leeway for economic restructuring, according to a government work report to be delivered by Premi

发表于:2019-02-09 / 阅读(153) / 评论(0) 分类 英语新闻

Mine 矿井 People get different kinds of materials from different mines. 人们从不同的矿井中得到不同的矿物材料。 Gold comes from a gold mine. 黄金产自金矿。 Copper comes from a copper mine. 铜产自铜矿。 And coal comes

发表于:2019-02-11 / 阅读(208) / 评论(0) 分类 与美国小学生一起学英文第5册

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(161) / 评论(0) 分类 万物简史

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they

发表于:2019-02-18 / 阅读(180) / 评论(0) 分类 趣味英语

节奏布鲁斯:Massari - Moving target 相关介绍 :Massari,原名:Sari Abboud。1980年12月10日出生于黎巴嫩在加拿大长大。29岁的Massari已经有两张专辑在手,很特别之处在于他拥有一副倾向女性色彩的嗓音

发表于:2019-02-18 / 阅读(172) / 评论(0) 分类 节奏布鲁斯

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(198) / 评论(0) 分类 双语有声阅读

以字母G开头英语绕口令: Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew

发表于:2019-02-27 / 阅读(264) / 评论(0) 分类 英语绕口令大全

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo

发表于:2019-03-06 / 阅读(207) / 评论(0) 分类 英语时差8,16
学英语单词
a pop
acuta infantum polioencephalitis
adaptive behavior inventory
aeolian placer deposit
all time high
anemosilicarenite
arithmetic trap enable
atmospheric quality index
backtags
barbecue slaw
basal cell epithelioma
Baskakovka
BCAA
big bounce
bobbit
bongoes
bovee
buffer oil tank
Calor gas
chemicophysical
clear cutting method
cobalt adamite -pentlandite
collas
combined steel and concrete column
commoneress
contemporalities
coupling condenser
Cracticidae
data communication terminal
dewlapped
diphenyloxide cycle
dss software system
edge reduction
elite education
Emmer-Erfscheidenveen
Endogenous Growth Theory
experienced table of mortlity
experiential referent
fuel mixture ration
generalized convex program
glceble machine
Hamidiye
high temperature fatigue
high temperature softening
Hoyran
indicating frequency meter
injector slot
intraverbal
ischiectomy
Kashiwabara
kidcare
kiganol
kimberton
Mellor
metainformational
micrococcus flavus conjunctivae
microperfusion
nap nook
natural homomorphism
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okeover
out of service time
pantograph disconnecting switch
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phase sensitivity
phaseoli semen
physician's prescription
postgraduate certificate of education
radius of flute of tooth
Ranunculus glaberrimus
refirming
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schallers
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senescence phase
shea nut
silver trioxofluorophosphate
Simāgaon
social etiquette
square matrix
steroid hormone
stochastically independent
suffarcinate
suisun
take in vain
tank pressurization
tipula (vestiplex) bicorunta
torn tape switching center
trouble and failure report
two frequency method
typical filtration efficiency
uncreolized
unsound casting
upper brick paving
Veraloy
video library
Villamuelas
virtual eccentricity
water surface evaporation
waxworks wax museum