音标:[di:,ækti'veiʃən] ;
n. [物化] 减活化作用;钝化作用
词型变化:名词复数形式 : de-activations

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(77) / 评论(0) 分类 新托福写作真题解析

Did you know that the Internet could be a good exercise for the brain? A new study from UCLA finds it when middle age and senior age adults perform Internet searches, it activates many different areas of the brain including those involved with memory

发表于:2018-12-11 / 阅读(53) / 评论(0) 分类 万花筒2008年

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(44) / 评论(0) 分类 万花筒2009年

RACHEL MARTIN, HOST: We're going to hear now about some new research that could help mental health professionals identify people who are likely to attempt suicide. NPR's Jon Hamilton reports on an effort to assess young adults by studying their brain

发表于:2018-12-17 / 阅读(96) / 评论(0) 分类 2017年NPR美国国家公共电台11月

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(73) / 评论(0) 分类 英语口语最炫潮流

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(57) / 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(88) / 评论(0) 分类 Scientific American(二)月

Scientists Identify Deafness Gene in Mice Scientists have identified a gene that causes deafness in mice, and they say it could lead to a better understanding of hereditary deafness in humans and maybe new treatments in the future. Scientists had pre

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2012年(一月)

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(49) / 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(51) / 评论(0) 分类 小龟乐游记英语短文

By Al Pessin Prague 23 October 2007 U.S. Defense Secretary Robert Gates says the United States might be willing to postpone activation of missile-defense sites planned for Poland and the Czech Republic until there is proof Iran has missiles that coul

发表于:2019-02-03 / 阅读(206) / 评论(0) 分类 2007年VOA常速英语(十月)

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(80) / 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(63) / 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(170) / 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(75) / 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(38) / 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(63) / 评论(0) 分类 阅读空间

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(48) / 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(268) / 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(91) / 评论(0) 分类 英语新闻
学英语单词
abonnements
abortarium
air kitchen
alanen
annular fir-tree blade root
automatic feed
automatic pistol
auxiliary gas turbine set
axilemma
be of opinion that
beam transadmittance
Beddgelert
biased estimation of demand elasticity
block number
C. H.
cageless bearing
calf-love
callambulyx tatarinovii formosana
capastatin
carbourndum paste
cash on bank
Cassella's acid
catch colt
centreless honing machine
centrifugal atomization
chery
child urology
chrisma
Cipolletti
clientelisms
coleus pumilus blanc.
Colins helium liquefier
compact curing agent
conductor width
constructive desertion
conveyor belt control device
corticopontine
cracking mechanism
curriculum integration
curve analyzer
deimination
differentiation mapping
dioxin-like chemical
dioxylin
doubleplay
drill hand
duncan socioeconomic index
error of direction
eskolaite
explosion extinguishing method
f-centered lattice
fish physiology
frapping turns
gerken
gorbies
honeybush
human-relations
indicated market
irrupting
lateral hermaphroditism
lut in a leo sar system
magnesites
main battle tank
mass-filter
mean by
merchet
metal slug
methylglycocyamine
middle-erd
muddy water
Ngunut
non-cash settlement
nonhegemonic
odums
Opium Wars
otolithic crystals
palaeomicroides aritai
predetermined cost accounting
prizewinnings
prompt gamma ray
pseudofentonia (mimus) medioalbida
puddler's cataract
putamen manidis
quinqueloculinid
rachilysis
read compare check
Repolka
rod-row test
Sombreffe
speech path network
strip-lighting
subgymnocarp
summarist
torpedo rolls
torrubiella brunneola
unchockable anchor
vastidity
Vibrio aureus
wealthy men
wood fat
zetta-seconds
zoning mechanism