谐振截面;共振截面

By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(237) / 评论(0) 分类 2007年VOA标准英语(三月)

Its five years old. 它五岁了 'Now remember boys and girls,' said the science teacher. 'You can tell a tree's age by counting the rings in a cross section. one ring for each year.' Tom went home for dinner and found they were having a jelly roll f

发表于:2018-12-18 / 阅读(132) / 评论(0) 分类 TED演讲国际问题篇

Paris Paris intrigues 1 , astonishes, provokes, overwhelms 2 ... and gets under your skin. The City of Light is the apex 3 of architectural beauty, artistic expression, and culinary 4 delight, and it

发表于:2018-12-30 / 阅读(208) / 评论(0) 分类 英语沙龙2004全年合辑下

54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-04 / 阅读(221) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? While Im talking, youre not just passively listening. Your brain is also busy at work, guessing the next word that I will savor before I actually speak it. You thought

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. Olive oil producers generally guess the best time to harvest their olives by checking the fruits color. The olive has to hit that perfect spot where they

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(五)月

Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(十)月

面对面的交流就是 face to face,许多人认为这样的沟通效果和电话上或网上联系是不一样的。 例句 I've been in touch with my niece, who was born in South America, for years but we have never met face to face. One way of

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 英语日常口语

If all goes well, the inventors hope to develop the idea and make the sections entirely from recycled plastic. 如果一切顺利,那么投资者希望开发此想法并完全利用回收垃圾制造这些节段。 Paths, car parks and railway plat

发表于:2019-01-26 / 阅读(213) / 评论(0) 分类 经济学人科技系列

58 对赌博时大脑活动情况的研究 DATE=6-14-01 TITLE=SCIENCE REPORT ?Gambling and the Brain BYLINE=George Grow (Start at 0'11

发表于:2019-01-30 / 阅读(152) / 评论(0) 分类 科技之光

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(390) / 评论(0) 分类 实用英语

What's the world record for the most number of kisses ever given in one minute? 世界上一分钟吻的次数最多的纪录是多少次? a) 94 b) 904 c) 1004 Destined to be a writer Yvonne: Hi - I'm Yvonne Archer and this is 6 Minute English. And joining me today i

发表于:2019-02-02 / 阅读(214) / 评论(0) 分类 六分钟英语

A new study has shown that we tend to remember the bad times better than the good. The study, from Boston College psychologist, Elizabeth Kensinger and colleagues, has suggested that we retain and bear in mind events that carry negative emotional bur

发表于:2019-02-04 / 阅读(156) / 评论(0) 分类 阅读空间

Exposure to air pollution may hasten brain aging, a new study has found. 一项新研究发现,暴露在空气污染中可能会加速大脑衰老。 Researchers studied 1,403 women without dementia who were initially enrolled in a large health stu

发表于:2019-02-07 / 阅读(143) / 评论(0) 分类 阅读空间

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(383) / 评论(0) 分类 Facts-事实

Why smells from childhood mean so much Why does the hint of certain smells instantly transport you back to childhood? It may be because the first smell you associate with an object is given privileged status in the brain Yaara Yeshurun and colleagues

发表于:2019-02-11 / 阅读(203) / 评论(0) 分类 阅读空间

Starbucks Opens First Store in India The world's largest coffee chain, U.S.-based Starbucks Corporation has opened its first store in India. The move comes at a time when coffee is winning new fans in India, traditionally a tea-drinking country. From

发表于:2019-02-16 / 阅读(148) / 评论(0) 分类 英语新闻

Joe Hollier, a 25-year-old former skater turned technology entrepreneur, describes the moment of transcendental calm when he gave up his smartphone. Mr Hollier had started going light, leaving behind his high tech pocket companion and disconnecting f

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语新闻

The first night of the Democratic National Convention on Monday was, rightly, not about the clothes: It was about trying to unify the party, rise above the opponent and so on, as many of my colleagues have described. Which is not to say it lacked a f

发表于:2019-02-18 / 阅读(122) / 评论(0) 分类 英语新闻

The European Union budget 欧盟预算 The gourmands of Brussels 布鲁塞尔的贪食者 The EU may be spending less, but the cost of running it is rising 欧盟也许会削减开支,但是运营成本在增加 THE European Union is on the verge o

发表于:2019-02-24 / 阅读(156) / 评论(0) 分类 经济学人商业系列
学英语单词
advise sb on
agribiotechnology
ah's
anaerobe
analogue supervision
anchusa officinaliss
arums
astronometrical
away from it all
Benzodiazepinones
Bergeronites
binding orbital
brute force string search with mismatches
bubble-tube
cargo batten
cartharometer
concessionary assistance
coolant temperature sensor
corrugated plastic sheet
cowlstaff
deitcher
discrimination between the earth and the sun light
disections
divide-by-two circuit
dolni bukovsko
Eastern Shore
end products of weathering
Erigeron karvinskianus
evaluation of Hanzi coding input method
extended operator control station
eyelid disease
family aceraceaes
Fanyok
financing method of accounting for leases
Finlander
flush type instrument
futures interests
geodetic meridian
Golābāri
grid melter
hacka
hipbelt
hypoplastic incisor
iodargyrite
jerkin'
kovtun
Martins Ferry
measure preserving transformation
megapel display
mellissas
molecular drag gauge
mudim
Naepyong
natural scouring
nautical receiving set
Neodiestheria
Njekwa
OC - Optical Carrier
one-pion exchange potential
open approval
pepperpots
peripleuritic abscess
polybractea
prephilatelic
propeller stern-tunnel
prostate
pumish
pump pressure drop
QUICKTRAN
rachioparalysis
random figure
roll one's hoop
RPC Locator Service
scraggling
scrills
semi-insulating fe-doped inp
shifted structure
ship location
signal of control system
snakehole
source data information
speak truth to power
stationary low power plant
stethorus chengi
strong declensions
succinyl-coenzyme A
synchronous jammer
t-bolts
the disease has attacked the vitals beyond cure
thread milling machine
toll-gate
transanethole
triphyllous
tynianov
U.K.
urethrophyma
value market
video reproducing head
waste disposal unit
water-soluble air
waynflete
went along with