回旋共振质谱仪

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(222) / 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(188) / 评论(0) 分类 英语沙龙2004全年合辑下

A gunman in Texas shot and killed 26 people in a church in the small community of Southerland Springs, Texas on Sunday. At least 20 people were injured in the shooting. Victims included children and the elderly. The suspected gunman is also dead. The

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Mass School Shootings Mostly in Small US Towns In the United States, mass school shootings are most likely to happen in small towns and suburban areas. One example is the shooting last week at a high school in Santa Fe, Texas. Ten people died in the

发表于:2019-01-03 / 阅读(167) / 评论(0) 分类 2018年VOA慢速英语(五)月

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(211) / 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(171) / 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(119) / 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(165) / 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(196) / 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(141) / 评论(0) 分类 科技之光

By Gilbert da Costa Abuja 11 September 2006 Federal workers in Nigerian are bracing themselves for mass layoffs following a weekend announcement that some 15,000 workers are to be let go this month. Union officials are reacting angrily to the plan a

发表于:2019-01-31 / 阅读(229) / 评论(0) 分类 2006年VOA标准英语(九月)

By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w

发表于:2019-01-31 / 阅读(149) / 评论(0) 分类 VOA常速英语2008年(四月)

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(378) / 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(203) / 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(146) / 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(127) / 评论(0) 分类 阅读空间

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(191) / 评论(0) 分类 阅读空间

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(116) / 评论(0) 分类 英语新闻

A mass rally and parade has been held in DPRK's capital a day after the Worker's Party wrapped up its first congress in 36 years. Hundreds of thousands of people were seen marching through the main ceremonial square. Participants in Pyongyang practic

发表于:2019-02-18 / 阅读(150) / 评论(0) 分类 cctv9英语新闻2016年

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(147) / 评论(0) 分类 经济学人商业系列
学英语单词
accountant's
Aconitum geniculatum
all welded ship
analytic(al) procedure
argutious
Ayuan
baby legs
bank vaults
Barsotti-Tate group
Bass-course
bias bleeder
box connecter
bribers
busuttil
byten
C. & C.
calculable number
calibration tail
charle
charlus
choils
Coffeen Lake
collar of Stokes
common-ase configuration
computer aided performance analysis
controlled disintegration
cor-
crack-free
crime of forgery of documents and seals
crude separation
cyberworlds
cycle temperature
defoliants
diaphragm-type cellular cofferdam
ease-of-doing-business
EFPH
endmete
extract and oxidation sweetening
ferrite slab
Feruccio
fin formula
fishing-tackle
florida, straits of
forshaw
full-days
golliwog
gyil
Haute-Volta
heavingly
hemimellitic acid
hot atom chemistry
hot press with auto loader and unloader
industrial inertia
information-logical machine
inspiralling
intensions
intercyclus
kitelines
lan global address
line generator number
lion marmosets
lowest operating voltage of a system
machined nut
macroglossum saga
mammula
medical terms
metalizing
native bears
neoperla costalis
Nife accumulator
one's pidgin
outage time planned
overseas market development reserve
periphakitis
photoelectric fluorometer
piston underside pumping(pup)
pressure-induced magnetic phase transition
preza-pak
production on the line
program check code
radio carrier frequency
remote-control gate
retapes
right fly
Ryōtsu-wan
saloon rifle
soak temperature range
spacing seed drill
spermatica ant. arteria
step down
Swamp-land
switched digital
teasets
theraponids
tidingss
toits
tracking data handling
unmanaged
unnumbered poll (up) command
Vaccinium conchophyllum
water structure
Yeongdeok-gun