速调电子束,速调电子注

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(228) / 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(250) / 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(209) / 评论(0) 分类 不择手段背单词

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(321) / 评论(0) 分类 2017年VOA慢速英语(十)月

补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

发表于:2019-01-03 / 阅读(190) / 评论(0) 分类 电信英语

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

发表于:2019-01-03 / 阅读(218) / 评论(0) 分类 电信英语

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(276) / 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(323) / 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(339) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

NOEL KING, HOST: There is a new star on Broadway. He's 20 feet tall, weighs 1.2 tons, and his name is King Kong. He's a puppet, and he's the centerpiece of a $35 million musical based on the original film that opens tonight on Broadway. Reporter Jeff

发表于:2019-01-17 / 阅读(333) / 评论(0) 分类 2018年NPR美国国家公共电台11月

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(233) / 评论(0) 分类 TED演讲教育篇

Cocktail fans in London will want to take deep breaths when they enter a pop-up bar that opens on Thursday, July 30, on the site of an ancient monastery in Borough. 位于博罗市场古老修道院内的一家快闪酒吧于7月30日开放,伦敦爱

发表于:2019-02-04 / 阅读(407) / 评论(0) 分类 阅读空间

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(235) / 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(203) / 评论(0) 分类 实用英语

If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款,不妨为银行经理准备早餐,问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re

发表于:2019-02-07 / 阅读(569) / 评论(0) 分类 阅读空间

The little hairbird still continues his almost incessant chirping, the first to begin and the last to quit the performance. 小小的梳妆鸟依旧在无休止地啾鸣,先是第一只开始,直到最后一只停止表演。 Though the voice of

发表于:2019-02-11 / 阅读(170) / 评论(0) 分类 美国语文第六册

In the morning, at this time of year, on the contrary, we are overpowered by the vocal and multitudinous chorus of the feathered tribe. 与之形成鲜明对比的是,每年这个季节的清晨,我们都会被长着羽毛的族类那动听和多声

发表于:2019-02-11 / 阅读(179) / 评论(0) 分类 美国语文第六册

But the Nautilus wanted nothing to do with these nasty animals. Timor Island was visible for barely an instant at noon while the chief officer determined his position. 但诺第留斯号跟这些怪难看的动物并没有什么交道可打。帝位岛

发表于:2019-02-17 / 阅读(192) / 评论(0) 分类 《海底两万里》中英双语有声读物

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(222) / 评论(0) 分类 万物简史

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

发表于:2019-02-18 / 阅读(206) / 评论(0) 分类 经济学人综合
学英语单词
a. bulbi vestibuli vagin?
Ammanford
amorphophalluss
analogist
archaeomagnetism
AT-2
Badong Formation
balance whip pin
banana-head
bartholomeu diass
bear paw
borsch belt
Breitenborn
brown envelope
bunarkaigs
calippus
camlin
chaff cutter thrower
chersoneses
collarstud
colouristical
commerce destroyer
contrasted-groups
control file name
counting accuracy
denero
derris alborubra hemsl.
disembogue
dry-laid
dye fastness test
egg-yolk-citrate
end leaves
event driven system
excess materials requisition
fisic
fuzzy lattice
gaseous mine
generator stable operation
goddammed
grapple shot
have reason
home place
iaryngopharyngitis
Ilex franchetiana
infrared digital data
juche
kosan
lambertellin
language converter
long live the king
main peak
make and break ignition
market-timing
mean fictitious clock
medical orthopedic splint
Mendel's first law
monetary disturbance
mucopurulent stool
namaaz
newfeld
nopinane
north stars
nurse field
off-premise extension
P-Nitrophenyl
P. C. R.
photondensitiometry
polysyllabe
pop-up defense
raid 1
raining pitchforks
reactance coefficient
relief road
retestified
rhizomatous begonia
robot cell
role indicator
root cells
saibling
school curriculum and assessment authority (scaa)
seal bombs
sex-crazy
social acceptability
solid system dynamics
spinulescent
stock outstanding
stop bath
subroutine linkage
sunken deck
Tanigaki
taoist temple
technical activities request form
telechron timer
teleobjective
television programme monitor
theory of literature
tuberositates
unguinalis
whacking it
wharves'
Windows servers
year of drought