风险的社会扩大;风险的社会强化

But social security carries a risk: the risk that some will abuse the system, taking without giving. It's a risk we seem increasingly unwilling to accept. Attitudes are changing. Yet coming down hard on the unemployed also carries a risk. The risk th

发表于:2018-12-03 / 阅读(127) / 评论(0) 分类 智慧人生篇章

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(131) / 评论(0) 分类 美丽新世界

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(134) / 评论(0) 分类 2013年VOA慢速英语(二)月

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(154) / 评论(0) 分类 中英双语新闻

This is Scientific American's 60s Science. I'm Karen Hopkin. This will just take a minute. Think about the tools used by biologists, perhaps test tubes and microscopes come to mind. But what about diapers? No, it's not the investigators in their work

发表于:2018-12-24 / 阅读(199) / 评论(0) 分类 2015年Scientific American(一)月

In my lab, we recently made a cancer nanodetector 在我的实验室,我们最近研制出了一种癌症纳米检测器, that is so small that it could travel into the body and look for tumors. 小到可以进入全身血液循环并寻找肿瘤。

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 TED演讲科学篇

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(149) / 评论(0) 分类 Scientific American(三)月

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(203) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(171) / 评论(0) 分类 2012年VOA慢速英语(一)月

'Word on Street' Impacted Language in 2011 While 2011 is over, some of the words that came to define the past year are still very much with us, and may be for years to come. Since 2011 was an especially busy year for grassroots political action, many

发表于:2019-01-13 / 阅读(119) / 评论(0) 分类 VOA标准英语2012年(一月)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(128) / 评论(0) 分类 TED演讲国际问题篇

Exercise and healthful eating are linked to better healthand so is having a decent circle of friends. Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. Researchers compared the h

发表于:2019-01-20 / 阅读(144) / 评论(0) 分类 2016年Scientific American(十一)月

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(206) / 评论(0) 分类 英语语言学习

BEIJING, May 10 (Xinhuanet) -- Researchers from California, Unated States, found that sexual orientation could play a role in cancer and more gay men are reported being cancer survivors(幸存者) than straight men, according to findings in the journ

发表于:2019-01-31 / 阅读(168) / 评论(0) 分类 英语新闻

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(175) / 评论(0) 分类 VOA常速英语2007年(十一月)

JOHANNESBURG, March 23 (Xinhua) -- Cervical cancer ranks as the second most frequent(频繁的) cancer among women in South Africa. Recent information from a World Health Organization (WHO) and ICO Information Center on Human Papilloma virus (HPV) an

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 英语新闻

紧张的社会关系增加过早死亡的风险 LONDON, May 9 (Xinhua) -- Stressful social relations, shown as frequent arguments and conflicts with others or constant worries about families, could increase early death risk for middle-aged people, a

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 英语新闻

Nobel in Physics for Controlling Laser Light 诺贝尔物理学奖颁给激光控制实验者 The main practical application of CPA so far has been in the eye surgery. It was the first one, and I think it is the one that is used by the most people fo

发表于:2019-02-14 / 阅读(203) / 评论(0) 分类 2018年科学美国人10月

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(169) / 评论(0) 分类 双语有声阅读
学英语单词
acetylcarbromal
adaptive management
AOBPED
application control language control statement
beam trees
bedframes
camera lucide
cane blights
carboloy pile voltage regulator
caseous fermentation
charter flight
chord-line
circulating water ejector
copper(ii) sulfide
cotransfers
cross claisen condensation
cut sth back
Cut.
cyclic polysiloxane
depth of flow
djibba
doll-baby
domiciled draft
dooker
Elaeagnus mollis
entam(o)ebas
EPICOPEIIDAE
European fly honeysuckle
fatlings
feed status
foot hanger
fourvey
freedoms from involuntary servitude
gainsayers
gar pike
goldinodex
gravity potential energy
hall houses
hepatitis B vaccine
horny button
human habitation
hypovolaemias
intermediate ledger
internal conversion factor
it's light
kickseys
kirschenmann
kompas
law relating to tariffs
Leitz lens
luminous edge
mephenytoin
mercury columkn
Mo. , Mo
monocyet
mudface
neoimperialisms
noniconic
Nonne's syndrome
over-sharp
oxybiotin
Panzhihua
patternedness
perlocutions
permanent-magnet alloy
Pimpinella rubescens
product engineer
projectin
projective system
prologo
property array
red-bellied snakes
reinforced-concrete support
sensing modem
Sharett, Moshe
side-entrances
sigmon
spent riser
sphenographic
sputter etch process
suspension rate
swagers
test design
Teton River
tetraethyl orthocarbonate
time multiplexed
tin chloride
Tommaso
travelling unloader
traversing indexing mechanism
trichogramma chilonis
triple-spacing
tube boiler
unsound kernel
untransumed
urethrograms
vectorization
Vincaleukolastine
waveguide elbow
window ledges
Woozle effect
yarn cross section