自由电子扩散

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7

发表于:2018-11-30 / 阅读(196) / 评论(0) 分类 历年考研英语完型填空

Text Alvin Toffler writes about the fact that technology is advancing much faster today than ever before in history. The symbols of technology are no longer factory smokestacks or assembly lines. As we are headed for the future, the pace will quicken

发表于:2018-12-04 / 阅读(181) / 评论(0) 分类 大学英语精读第三册

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

Millions of smallholder farmers in South and Southeast Asia are attempting to diversify beyond staple crops to increase their incomes, nutrition, and resilience in response to climate change and shifting market demand. Although they are potentially s

发表于:2018-12-08 / 阅读(156) / 评论(0) 分类 VOA标准英语2017年(二月)

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

29. Boas felt that the culture of any society must be understood as the result of a unique history and not as one of many cultures belonging to a broader evolutionary stage or type of culture. 【分析】复合句。句子主干是Boas felt that。t

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 考研英语长难句讲解

30. Some attributed virtually every important cultural achievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures. 【分析】复合句。句子主干包含 attribute...to...结构

发表于:2018-12-30 / 阅读(146) / 评论(0) 分类 考研英语长难句讲解

词条 含义 近义 further vt. 促进,增进 advance adj. 更多的,另外的 additional , extra fuse v. 熔合 combine , blend fused adj. 熔合在一起的 fusion n. 核聚变 n. 熔化;联合

发表于:2018-12-30 / 阅读(196) / 评论(0) 分类 王玉梅托福词汇配套MP3

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(230) / 评论(0) 分类 2017年VOA慢速英语(十)月

在GRE写作中,全球化的概念考查非常高频,而且全球化的概念和影响在其他类型(例如科技、教育、政治以及文化类话题中也高频被调用),因此面对这个高频的主题素材,特为所有同学补充全球

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 GRE英语

Dante (Alighieri) 1265 -- 1321 The Italian poet Dante Alighieri wrote The Divine Comedy, the greatest poetic composition of the Christian Middle Ages and the first masterpiece of world literature written in a modern European vernacular. Dante lived i

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 GRE作文

[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(225) / 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

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(185) / 评论(0) 分类 经济学人科技系列

GRE频道在此与大家分享新东方北京学校GRE名师韩冰老师为大家带来的有关on the contrary的讲解。 似乎 on the contrary 掀起了一阵轩然大波,很多小伙伴都过来问我,老师on the contrary 到底想怎么样,

发表于:2019-02-01 / 阅读(153) / 评论(0) 分类 GRE英语

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(152) / 评论(0) 分类 实用英语

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(146) / 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(135) / 评论(0) 分类 实用英语

Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o

发表于:2019-02-15 / 阅读(140) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(117) / 评论(0) 分类 英语新闻
学英语单词
AFNOR
after-twist
alca tordas
androgynises
anthracene crystal scintillation counter
anti-tutsi
azimuthal unconformity
become estranged
blue-rinse brigade
calibur
Campagnano di Roma
carbolfuchsin
chalcogenide glass
cholecystotomy
chyste
clar-
climb speed
cobaltous metaarsenite
commandly
condensation mechanism
corner smash after lift to the middle
CSB (core support barrel)
D-FORM
date back to
decreolise
deinstalled
demountable
displacement of rail joint
double hull
dryer vanes
electrical prospecting
Embichen
expedience
Fedorovka
field of microscope
fission break monitoring
floor frame
floripavine
fruticulture
garment industries
gecking
genus lemaireocereuss
gobbles up
Google fu
Grande-Rivière-du-Nord
Great Falls Lake
Grimbarian
hard metal industry
holdin
horatio kitchener
hoverin'
HPVD
impiteous
inflector
isthmus of cingulate gyrus
kick someone upstairs
knock-down
Kodak camera
lasarat (las harad)
latching onto
lightbowns
maximum permissible power
melt section
memory light
Ormea
owser
ozoena
phosphatidal-etanolamine
Pingaring
planned educational change
postjunction
present-time
propounding
psychoanalysed
puentes
quadbit
quartz-monzonite aplite
radionecrotic
reactor scram system
reciprocal insurance exchange
rid-work
rotye
second-legs
selective extraction
Shiitizing
shorty
sitka spruces
spills out
Spinello Aretino
spot-lamp
sprung molding
superflu
synaptic membranes
tracheal syphilis
tube-forming machine
tvcs
upper sides
vesicorectal
walloper
wampumpeags
without strings attached
Zhob R.