[化] 全氟烷基三嗪聚合物; 全氟烷基三嗪聚合物橡胶

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(121) / 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(145) / 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(129) / 评论(0) 分类 Scientific American(一)月

Marlboro is the worlds largest selling brand of cigarettes. It is made by the Philip Morris Company, originally a London-based cigarette maker. Philip Morris named the cigarette after the location of the companys first factory in Londons Great Marlbo

发表于:2019-01-01 / 阅读(126) / 评论(0) 分类 各大品牌英文介绍

Writer Dorothy West: Last Living Member of Harlem Renaissance Written by Doreen Baingana (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we tell about a person w

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 名人轶事

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 午后咖啡

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(132) / 评论(0) 分类 60秒科学

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(445) / 评论(0) 分类 2017年VOA慢速英语(六)月

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(205) / 评论(0) 分类 People in America

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(170) / 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(140) / 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(189) / 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(102) / 评论(0) 分类 2016年VOA慢速英语(九)月

An industrial venture once celebrated as a symbol of reconciliation between the two Koreas may be endangered by a sharpening dispute between the two sides. North Korea is essentially tearing up the agreements that make the zone run. North Korea's of

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2009年(五月)

'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(191) / 评论(0) 分类 VOA标准英语2016年(二月)

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(161) / 评论(0) 分类 英语单词大师-Word Master

Jurors in Australia's biggest terrorism trial found six Muslim men guilty of being members of an extremist group that plotted to wage what prosecutors called violent jihad in the city of Melbourne. Four other men have been acquitted of related charg

发表于:2019-02-04 / 阅读(104) / 评论(0) 分类 VOA标准英语2008年(九月)

As an ass was quietly dining on thistles,he beheld a shepherd seated beneath a tree,awakening sweet echoes on his flute,and charming the ears of all within hearing,excepting our discontented lop-eared brute,who thus soliloquized:The world

发表于:2019-02-08 / 阅读(158) / 评论(0) 分类 趣味英语

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(201) / 评论(0) 分类 英语新闻

The International Organization for Migration says about 1,000 Moroccan migrants who came to Italy with the promise of seasonal work, are living in squalid conditions on abandoned farms. IOM says the migrants were lured to Italy with false promises o

发表于:2019-02-12 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(八月)
学英语单词
aagesen
account titles for annual
aleyrodidaes
allnut
an office
Andaman Islands
angle smith
as-treated
autocorrelative matrix
beef extracts
beneficiary of remittance
BOAP
Bobr
Buriganga
call somebody names
careyne
center base
cmrq key
combined-sewer flow
cross simulator
dee (in cyclotron)
deformation valley
dehydronanteine
deposit analysis
Derecske
diesel engine reversing gear
digital correlation kit
disc stop
downflow weir
dulcamara
early warning net
edible offal
enzyme-linked immunosorbent assay(ELISA)
ergotin(e)
esile
established direction of traffic flow
estimates of optimum plot size
film transport mechanism
flooding cabinet
flow ratio controller
free-pouring
frontierless
generic name
genic
greater whitethroats
hardware-software
heavy sheet glass
helicopter aerodynamics
high-ductility alloy
hollowed out
hot mess
Hunaniopanax hypoglaucus
iconless
in the bollocky
ingenas
instantaneous voltage
intertrade
inworld
IRSD
kaysie
knurlings
leetor
long-wave trough
minghella
misplays
mutiple
Neillia thyrsiflora
ordinary polyconic projection
outs-of-school
oxidation susceptibility
photo-electro-type
plain weave fabric
planetesimal
pseudo cross-bedding
pulling yoke
pusan
Q spoiling
rambutan
res-bag
Rubrobacterales
sannyasis
sexual valence
silhouettee
silver standard country
steering time
strange reaction of animals
tazir
teazes
thermal glow characteristic
tidmarsh
tidy
Tinospora capillipes
unimmolated
upland rice soils
vacuumlike
valleysides
varictin
veol
West Seneca
wftus
wood ray
Yap3p