同位素活化截面

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(76) / 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(44) / 评论(0) 分类 万花筒2009年

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 Scientific American(九)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(56) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(一)月

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(86) / 评论(0) 分类 Scientific American(二)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(十二)月

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2016年VOA慢速英语(三)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(50) / 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(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(62) / 评论(0) 分类 六分钟英语

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(36) / 评论(0) 分类 英语时差8,16

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 万物简史

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(90) / 评论(0) 分类 英语新闻
学英语单词
additive primaries
adecco
appalachian mountainss
arrector pilli
assembly processing step
Ati, Jab.
audibility factor
biostrom
borchgrevink
broadsided
camphenilane
cativo
chondrichthyan
CIP process
colored pencils
columnist
couranteer
cross-dye
crossbreedings
decorative fabric
diademed sifaka
digitalized control method
direct mail marketing
distribution of strain
draw the curtain on
drowned lime
dussen
ethylene rubber
event status
external meningitis
fannishness
field axiom
forward-plannings
gas-gas interaction
God forfend!
goofproof
guttles
hand-over pay
heimisch
hepatocytotoxicity
high speed data word
high-precision depth recorder
horizontal diriving control
hygrometric equation
input capacity
international stratification
intraenzyme
Jabalpur
ladder of success
ladling
level circular
loulous
maintenance word
mastoidale
medhu-
morris dance
mudman
nonstandard file
occipitals
ochratoxins
oil baffle plate
open hearth practice
oxamyl
palindromic encephalopathia
Papanicolaou's stains
phyllosticta tokutaroi speg.
pileworms
pleiotropic-negative
pre-historic
precompose
primeval lead
product reliability
profitable fields of investment
pubbiness
R-module
radar surveillance
reversed radial immunodiffusion
roller subsoil
Scotus, John Duns
sectional bar
self-acting thermos
silk filature classification
slurringly
sound properties
sporotrichosic chancre
swimming leaf
tack hammers
tax delinquent
Texas mange
total-cost
triethylenetetramine
trout pout
Ull
ultra personal computer
uniballs
unnose
uptoss
urethropexy
Virunga National Park
volume flow rate of pumping unit
water electrolysis
Yazoo County