音标:['hʌdrəpəliːmər] ;
n.氢化聚合物

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 American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(180) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

Today, guest-writer Neal Whitman will help us understand why the word troops can refer to the number of individuals or groups. What Does Troops Mean? Memorial Day is next week, when we in the U.S. honor members of the military who have died in the li

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 英语语法 Grammar Girl

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(167) / 评论(0) 分类 60秒科学

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

发表于:2019-01-02 / 阅读(207) / 评论(0) 分类 VOA2003(下)-农业与经济

By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu

发表于:2019-01-04 / 阅读(182) / 评论(0) 分类 VOA2003(下)-农业与经济

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(216) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(234) / 评论(0) 分类 VOA标准英语2016年(二月)

By Jeffrey Young Washington 12 June 2007 To most Americans, the governments in their towns and regional areas, called counties, are the governments they interact with the most. And alongside these local governments are groups of citizens who work on

发表于:2019-01-16 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(六月)

NOEL KING, HOST: The secretary of Housing and Urban Development, Ben Carson, has proposed a change. The idea is to allow housing authorities across the country to require that low-income people work in order to live in affordable housing. Now, Carson

发表于:2019-01-17 / 阅读(167) / 评论(0) 分类 2018年NPR美国国家公共电台7月

By Stephanie Ho Washington 15 November 2006 The non-profit group , One Laptop per Child has unveiled a low-cost, high-durability laptop computer that it says it wants to put into the hands of children across the globe. Children's laptop from One Lap

发表于:2019-01-31 / 阅读(212) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Ernest Leong Washington, D.C. 10 November 2006 watch Gates profile Robert Gates, President Bush's nominee to become the new U.S. Defense Secretary, is a former CIA Director with decades of experience in the national security field. He has also se

发表于:2019-01-31 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(十一月)

Earlier this year, President Bush said the United States would spend $350 million over five years to fight seven of the world's most common parasitic and bacterial diseases affecting hundreds of millions of people in tropical regions of the world. A

发表于:2019-02-02 / 阅读(160) / 评论(0) 分类 VOA标准英语2008年(七月)

By Jim Teeple Jerusalem 13 June 2007 Former Israeli Prime Minister Ehud Barak will take over as head of the Labor Party. VOA's Jim Teeple reports from Jerusalem that Mr. Barak is expected to become Israel's new defense minister in the coalition gover

发表于:2019-02-02 / 阅读(183) / 评论(0) 分类 2007年VOA标准英语(六月)

今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号,播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen

发表于:2019-02-04 / 阅读(215) / 评论(0) 分类 英语每日一词

By Zulima Palacio, Cindy Saine Washington, D.C. 05 July 2006 Watch Protest Report Protestor A small group of about 15 people gathered in front of the Washington bureau of the New York Times Monday to protest the paper's publishing of what some call

发表于:2019-02-07 / 阅读(287) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
acid resist vanish
aidable
aleuroclava rhododendri
Amblecote
antisymmetric anomaly
Aphelaspis
arkeologist
automobiles container
bagged saucer
bed plant
beefers
Beggiatoaceae
benzamorf
Bis-2-Ethyl-Hexyl-Phthalate
Braunton
Bretonneau, Pierre
bunded tendon
by the skin of my teeth
chain stiffening
CM field
cocsarmine
compartmentalizer
compressor lubrication circuit
control integrated circuit
Corpus phalangis
d'ethnographie
diffused metal-oxide semiconductor
direct methods
eelblenny
electro-beam welding
embryoma of the kidney
encode combination
enilconazole
ex-minister
Formiche di Grosseto
fruit-gardens
genus abramiss
genus triticums
glazing-bar
graded in-dex profile
hand bag
head carriage
healing up
homoclinal valley
hydrophis melanocephalus
hydroxamic
ice region
impulsive insanity
in nubibus
infant industry argument
interrogation of a prisoner
interrupt program
iron(iii) hydroxide
line justification
liquid-filled membrance pressure gage
litholapaxies
march security detachment
Medicine Hat
medium type
microsporids
Mikhail Bakunin
minimum reserve method
mischaracterised
Molise, Reg.
neeman
neutron velocity selector
non - ferrous metal
non-original
onwriting
optical variable
original typing
paulters
PBO
Peking jade
penicillin toranto
photoelectric image tube
real sun
reconciliatory
return-flow atomizer
salts away
Schutzbund
Simon the Cyrenian
soction tubes
sodium copper(ii) sulfate
solenhofengraphic limestone
spiraxid
spoilest
steamed sandwich
Tebezon
temporin
thankfullest
thornless honey locust
toddle
train classes-priority
tubal gestation
unfitness of environment
unsensational
vapor cooler
vertical coverage pattern
vitelline space
VSV (variable stator vane)
waneys