极性活化(作用)

托福考试很多同学都发现自己的阅读速度很慢,常常一篇科学文献自己要读整晚读不完。这种情况下做题、做作业更是问题多多。所以问题来了,:我的托福阅读速度为什么很慢? 我在英国上学

发表于:2018-12-02 / 阅读(120) / 评论(0) 分类 新托福写作真题解析

Every month new fitness products are hitting the market. The latest craze? Fitness shoes that claim to build muscles. But do they work? Sports medicine expert Doctor Amadeus Mason says probably not. The main thing that makes one shoe better-off is th

发表于:2018-12-11 / 阅读(83) / 评论(0) 分类 万花筒2009年

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

发表于:2018-12-24 / 阅读(127) / 评论(0) 分类 2018CRI中国国际广播电台

01. Do you like playing online games? 你喜欢玩网络游戏吗? 02. I prefer to play the counterstrike. 我比较喜欢玩反恐精英。 03. I spend most of my spare time in playing online games. 我的大部分空闲时间都在玩网络游戏。

发表于:2018-12-25 / 阅读(119) / 评论(0) 分类 英语口语最炫潮流

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

发表于:2018-12-30 / 阅读(240) / 评论(0) 分类 国家地理2007年

Template - an outline form which can be used to make many identical copies without being used itself. Metal templates can be used placed over a piece of clothing material, which is then cut according

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 医务英语

Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(二)月

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

发表于:2019-01-16 / 阅读(142) / 评论(0) 分类 Weekender

It's believed that our species, Homo sapines, has wandered African lands for at least a quarter of a million years. But maybe this was the place where evolutionary leap took palce. This is what a courteous team of 15 scienists are investigating. And

发表于:2019-01-22 / 阅读(101) / 评论(0) 分类 自然百科2012年

文本: Hathcock: HQ, do you read me? HQ: Loud and clear Sergeant Hathcock,go ahead. Hathcock: We have touchdown,confirm _(1)_. HQ: Roger that. The target zone is located 2 klicks north of your position,a small outpost occupied by the remaining Kes

发表于:2019-01-23 / 阅读(91) / 评论(0) 分类 小龟乐游记英语短文

Abrupt junction 突变结 Accelerated testing 加速实验 Acceptor 受主 Acceptor atom 受主原子 Accumulation 积累、堆积 Accumulating contact 积累接触 Accumulation region 积累区 Accum

发表于:2019-02-05 / 阅读(136) / 评论(0) 分类 实用英语

Every month new fitness products are hitting the market. The latest craze? Fitness shoes that claim to build muscles(肌肉). But do they work? Sports medicine expert Doctor Amadeus Mason says probably not. The main thing that makes one shoe better-off

发表于:2019-02-06 / 阅读(107) / 评论(0) 分类 六分钟英语

Daily Life - Mobile Phone Plan (C0106) B: Yeah, Ive just moved here, and Id like to activate my cell phone, and Im not sure if I should go with a prepaid plan, or a monthly rate plan. A: I see. Well, can I have a look at your phone? Unfortunately,thi

发表于:2019-02-08 / 阅读(218) / 评论(0) 分类 纯正地道美语

我们何时开始做梦

发表于:2019-02-09 / 阅读(120) / 评论(0) 分类 实用英语

The difference between these two mistakes may seem unimportant to a lay person, but to a cognitive psychologist it is crucial for understanding how language development occurs.In order for us to construct meaningful language, we must learn how to sup

发表于:2019-02-15 / 阅读(76) / 评论(0) 分类 英语时差8,16

Samsung is warning customers about discussing personal information in front of their smart television set. 三星警告消费者在智能电视前不要交谈个人信息。 The warning applies to TV viewers who control their Samsung Smart TV using i

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 阅读空间

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(121) / 评论(0) 分类 英语新闻

科技--较量的新时代 Welcome to 'Today' - an hour of world news and analysis -- Today keeps you informed and inspired. I'm Suyi Coming up: China's Ministry of Industry and Information Technology said this week the country will further enhance

发表于:2019-02-22 / 阅读(94) / 评论(0) 分类 The Beijing Hour 新闻纵贯线

But the thinness of the clay layer clearly suggested that in Umbria, if nowhere else, something rather more abrupt had happened. 但是,这层薄薄的黏土显然表明,在翁布里亚,如果不是在别处的话,事情发生得非常突然。

发表于:2019-02-25 / 阅读(317) / 评论(0) 分类 万物简史

BRUSSELS, April 6 (Xinhua) -- The European Commission(委员会) confirmed on Wednesday Portugal's intention to request a bailout, pledging to deal with the request as soon as possible. The Portuguese Prime Minister, Jose Socrates, today informed

发表于:2019-02-25 / 阅读(134) / 评论(0) 分类 英语新闻
学英语单词
25-hydroxyvitamin d3
adoptive immunochemotherapy
beaten silver
bi-quarterly
Bonham's Case
bpi
car exterior
Cassiopeids
castists
cellular microelectrode
chain wheel hob
change-over channel steamer
changeover portion
chemissues
Chinkiang vinegar
ciliopagurus krempfi
colange
coordinate dimension
copper-clad laminate
cortisone acetate eye drop
cotton linter pulp
cumulative correction
dashest
Delamere
discharge quantity
double-motion raddle mixer
early flooding
el laghodeh
emanantion
emittent
exception process entry descriptor
exhale
expiree
Forever Alone
freight mileage
gloss paint
haavardsholm
hear wedding bells
heterostructure field effect transistor
Hohenzollernism
holloa
hubbubed
Institute of Welding
John Chrysostom
keyword domain name
lacquer thinner
lifeboat station
lke
local limit theorem
main communication center
manchester yellow
Matteuccia struthiopteris
maximum grinding travel
mediastini
minuend
misreferring
Missouri Fox Trotter
Myosotis sylvatica
Nemausus
Nicholsonograptus
non-iodized
nondinosaurian
nordman
open hole column
orthorrhachic
Paranaplasma
pars me
Pasirmala
pigeonholer
Power over Coax
pro rata premium
progressive type transmission
projection Ektar lens
propulsiveness
real rate of return
Reykjahlidh
rhyothemis severini
running stability
scaphocerites
shunt field loss
silicon hydride iodide
single bobbin reel
single equation
snapline
solicitants
sour orange
special option
squibarchy
sterilized powder
swath-board
tank manifold
three halfpence
tompots
underfloor heating
upper atmospheric physics
vertical gustiness
vestibulectomy
voltage step-down circuit
when the cat's away the mice will play
wire straightening and cutting off machines
wooms
Zoanthidea