美国试验材料学会

Boadcast: Jan 21, 2003 By George Grow This is Sarah Long. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program about recent developments in science. Today, we tel

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 VOA2003(上)-健康资讯

Society is changing rapidly. As a result, more and more people are suffering from stress. Those who are stressed out are often nervous, angry or ill. People must, therefore, learn to deal with this

发表于:2018-12-08 / 阅读(464) / 评论(0) 分类 赖世雄初级美国英语

Changes in SAT Exam Make it Harder for Foreign Students The organization that administers a widely-used college entrance test called the SAT will change the examination in 2016. The not-for-profit College Board announced that it no longer will test s

发表于:2018-12-16 / 阅读(111) / 评论(0) 分类 2014年VOA慢速英语(六)月

STEVE INSKEEP, HOST: And I'm Steve Inskeep with the History of Our Time. At this unsettled and unsettling moment, we're asking what big trends are driving our history. RACHEL MARTIN, HOST: Presidential adviser Michael Anton talked of rising nationali

发表于:2018-12-18 / 阅读(158) / 评论(0) 分类 2017年NPR美国国家公共电台6月

This is Scientific Americans 60-Second Science. Im Cynthia Graber, this will just take a minute. For generations, nearly all medical research was done on men. And the assumption was that whats true for men is true for women. Now of course we know tha

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(212) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. I'm Cynthia Graber.This will just take a minute. Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain. But

发表于:2018-12-24 / 阅读(107) / 评论(0) 分类 Scientific American(八)月

IN THE NEWS - Missing Explosives in Iraq By Cynthia Kirk Broadcast: Saturday, October 30, 2004 This is Steve Ember with In the News in VOA Special English. On Monday, the United Nations nuclear agency

发表于:2019-01-02 / 阅读(191) / 评论(0) 分类 教育与新闻

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. The heart-stopping news from Stockholm is that the heart never stopsgrowing, that is. Because researchers have shown that the human heart continues to pr

发表于:2019-01-08 / 阅读(219) / 评论(0) 分类 Scientific American(四)月

Separated by Civilization: Trans-Atlantic Impasse (1) The war in Iraq has made the Atlantic seem wider. But really it has had the effect of a magnifying glass, bringing older and more fundamental differences between Europe and the United States into

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 英语阅读理解

Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver

发表于:2019-01-14 / 阅读(147) / 评论(0) 分类 VOA标准英语2013年(六月)

It's, in short, how we learn what we know about other people and about the world. 简而言之,那就是我们如何了解到,我们对于其他人的认知,以及我们对于全世界的认知。 But we live in a 100-percent media-saturated so

发表于:2019-01-18 / 阅读(134) / 评论(0) 分类 TED演讲国际问题篇

This is scientific American ,60 second science. Im Chris D..ta. Got a minute? In less you have a pair of noise-cancel headphones. Flying can be annoying to the ears. A lot of low-pitch rumbling makes it into the cabin. The problem is ,the wings ,floo

发表于:2019-01-20 / 阅读(202) / 评论(0) 分类 2015年Scientific American(五)月

Part II Listening Comprehension (30 minutes) Section A Directions:In this section,you will hear 8 short conversations and 2 long conversations.At the end of each conversation,one or more questions will be asked about what was said.Both the conversati

发表于:2019-01-25 / 阅读(200) / 评论(0) 分类 英语六级听力练习集锦

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: A new report from the American Cancer Society finds breast cancer is now as common among black women in the U.S. as it is among white women. The data published this week shows the rate of breast cancer a

发表于:2019-01-27 / 阅读(130) / 评论(0) 分类 PBS访谈健康系列

36 反口蹄疫的疫苗 VOICE ONE: (Start at 1'00

发表于:2019-01-30 / 阅读(162) / 评论(0) 分类 科技之光

This is the VOA Special English Education Report. We have a question from China. Feng Tianqiang says I want to know something about John Dewey. John Dewey John Dewey was an influential thinker and educator. The New York Times once called him America'

发表于:2019-01-31 / 阅读(153) / 评论(0) 分类 2010年慢速英语(一)月

雅思写作参考范文:现代社会的唯物主义 Materialism means placing great importance on material things such as clothes, property, and furniture. Many people complain that modern society is too materialistic. Are people in these times wh

发表于:2019-02-09 / 阅读(166) / 评论(0) 分类 雅思英语
学英语单词
active matrix screens
air photographical survey
allergic coryza
attachment style
au milieu
automated manifest system
automatic window
beginning tape label
bespurt
biasing transformer
bifunctionally
biological station
bleveys
body-shell
bottomleys
bratunac
bubble-type gas distributor
calendarize
calorically
calverleys
commutation element
complete system of residues
cooking chocolate
cracking lacquer
cyclopiazonic acid
cyclosporins
darkcolo(u)red mineral
dehumidity unit
diffusion process
Duke's method
ecdultin
editer
event trigger menu
fireship
flat-and-edging method of rolling
foundings
fruitflies
gas ingestion
gloeosporium meinersii sprague
going crazy
group separator
heimskringla
houss
hydrocarbylidenes
hypocrisy
idahoes
illegal interrupt
indirect genetic continuity
isobutylamide
least index of refraction
ligameata pubocapsulare
line disconnecting switch
lomi-lomi
Magnolia phanerophlebia
maid in waiting
micromap masters
murray multiplex system
negative azeotrope
non-ulcerating lupus
oospores
ornithomorphs
outpublish
petrogency
Peucedanum rubricaule
phengites
Pionus
portal vein manometry
preantral
quantum cascade laser
radiolucent material
rami anterior horizontalis
receptacularis
Reutealis
reverse cylinder
root branch
rotary rolled
rugulate
safety cork
Sargsian
self-focused
self-priming tank
single-stages
skeletal traction through olecranon of ulna
sneeringly
sociology of health and illness
spermatophore
Sphingoglycolipids
squamous cell
Staphylococcus pyogenes var. aureus
storage pool
subframe synchronization code
superstardom
tam'shu
Teberdinskiy Zapovednik
tewrdannckh (belgium)
thrapple
todarodes pacificus
visible dehydration
warble hole
wet lamination
wild cavies
zc