期共振,周期谐振

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(236) / 评论(0) 分类 2007年VOA标准英语(三月)

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

Grammar Girl here. This week I have two topics for you: The number of spaces after a period at the end of a sentence, and whether you should use who or that to refer to people (and pets). Now here's our first listener question. His friends believe it

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 英语语法 Grammar Girl

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(186) / 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(132) / 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

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(212) / 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(389) / 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

很多打算赴国外留学的同学现在已经在联系租房的事了,在国外租房的时候一定要签订正式的租约(lease)或住房合同(housing contract),这有时候也被称为租房协议(rental agreement)。 租房合同里大家要

发表于:2019-02-02 / 阅读(148) / 评论(0) 分类 实用英语

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(155) / 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

BEIJING, Feb. 16 (Xinhua) -- The Ministry of Transport (MOT) said Thursday that about 2.85 billion passenger-trips by roads were made during the 40-day Spring Festival travel rush this year, up 9.6 percent from the corresponding period last year. A t

发表于:2019-02-07 / 阅读(264) / 评论(0) 分类 英语新闻

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

Voice 1 Hello. Im Ruby Jones Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Suddenly you know th

发表于:2019-02-14 / 阅读(104) / 评论(0) 分类 环球英语 Spotlight

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(129) / 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(155) / 评论(0) 分类 经济学人商业系列
学英语单词
a critical case of measles
accumulator shift instruction
akebia trifoliata australis
anti-dazzle panel
auxiliary track fastening
be in the driving seat
beaded pattern
caca
caseman
Cewkow
classical theory of organization
collapsible storage tank
collective representation
color concentrate
commigration
compression line
cutting data
denationalizing money
dentate-serrate
design margin
dispositios
documentary films
domestic hot water system
Drolban
external energy interrupter
fell apart
fluid bed heavy medium separator
forsythiogenol
Frenckner
gaign
geminal coupling
general ocean circulation
geographic(al) base map
get your fingers burnt
Glafsfjörden
haggett
helsen
hydrogeology survey
idioteuthis cordiformis
incurment
Indian dimity
Jahangirabad
launching grease
lightweight main armament
liquid nitrogen-cooled detector
machetes
measurement dissemination system
metada
meter-constant
micro-etching
misidentifying
Nasirean
natural-tinted fabric
Nerlbarbitone
nickases
nofcs
NSC-134087
Nīra R.
objective complement
oblongus
odontopathic
oology
operation of relay
optimizing capacity
package indicative mark
parite
permeable crib dike
photoetching technique
poonga oil
potassium hydrogen sulfite
Predictive Model Markup Language
premature rupture of fetal membranes
production time schedule
proper order
pulse-Doppler search and acquisition radar
quizzification
ramus dorsalis recurrens n. vagi
refaunation
rhombohedral packing
seepage pit
single-ring infiltrometer
slow wave sleep
stephanitis ambigua
stimpson
stingily
supercavitating hydrofoils
Taktak
taste type evaporator
taterimchi
thrissome
tiemannites
to tell you the truth
totalize
trachy
tractotomy
ubiquiter
ungarmented
ventilation device of kiln
water cooled cylinder
WiFi AP
ynon
zhen