共振吸收体效应

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(104) / 评论(0) 分类 VOA2003(下)-环境与健康

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(180) / 评论(0) 分类 2007年VOA标准英语(三月)

When Pablo Penda Sandoval made history with 3 home rounds in game one of the world series his head was probably buzzing but when batters and chilli detroy hit the ball not quite right the next couple of nights it will be their hands that are buzzing

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(十)月

When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters in chilly Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(十)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(150) / 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(174) / 评论(0) 分类 科技之光

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(87) / 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(129) / 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(155) / 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(110) / 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(344) / 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(168) / 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(112) / 评论(0) 分类 阅读空间

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(100) / 评论(0) 分类 英语每日一词

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(88) / 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(139) / 评论(0) 分类 阅读空间

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(155) / 评论(0) 分类 英语单词荟萃

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(77) / 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(85) / 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(112) / 评论(0) 分类 经济学人商业系列
学英语单词
a back issue
Actinomyces necrophorus
anshel
apartmentmate
aristolochialess
armerias
art libraries and collections
avelonge
Baslow
benzenephosphorous dichloride
betanaphthol salicylate
bonded-phase chromatography
broad churches
cable entry
cachinnators
chimney core
clasmatocytosis
clutch back plate
colititer
common-rail
compensator receiver
cone of water-table depression
contingency fund
cursings
Dampier, William
deferred expenses
Delphinium henryi
disjoint data set name
DMACA
draw tong
efore
ethnic conflicts
FBRAM
fibre-optic light-transmission system
fishing quay
flattmann
forest insect
fused salt extraction
gasoline upgrading
genus cortaderias
go into retirement
goods operation on route
grabouws
grasslands
handle-bar
hardening kiln
homogeneous steel plate
hrseite colid
ion-selective field-effect transistor
isentropic mass transport
Jason Harbor
law of resemblance
lincoln mount
liquid nitrogen vehicle
long-term bank draft
LR-WPAN
Mannol
market cost
marx generators
mine barrage
Mugonha
my side
narrow developmental psychology
narrow entrance
nonobedient
offsetting collections
open hole logging
out of fear
palaeoeconomic
partner's drawing account
phase-jump
phenol formaldehyde
planetary seismolegy
pocket flap
power shears
propyl isovalerate
radiating plication
radium beam
relay-operated controller
resin shock
retrovestibular fistula
riceless
rubios
security number
Select Committee on Public Expenditure
selling expenses
shape memory robot
siderophage
slab model
Solanum biflorum
spiral inductors
static information
stowage order
succinite(succin)
sulfamic acid
sylveterpin
tool-post screw
trypethelium tropicum
vibrating acceleration
width adjustment
x ray atomic form factor
XL-PXN1