共轭二烯聚合物

Everything that's alive and quite a few things that aren't, gives off heat. That's what you are looking at now. Every part of your body is burning up energy and creating heat as it goes about the busi

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 生命物语

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(140) / 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(167) / 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(147) / 评论(0) 分类 Scientific American(一)月

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(152) / 评论(0) 分类 60秒科学

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 医务英语

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(194) / 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(156) / 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(208) / 评论(0) 分类 Scientific American(四)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 医学英语

Today, Bonnie Trenga will help us figure out whether a fast-food chain is on the cutting edge of grammar, or its just being creative with verb tenses. Its time to dissect the McDonalds advertising slogan Im loving it. An ESL teacher named Devaki wrot

发表于:2019-01-10 / 阅读(157) / 评论(0) 分类 英语语法 Grammar Girl

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(119) / 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(223) / 评论(0) 分类 VOA标准英语2016年(二月)

Which is the hardest word to translate in this sentence? 哪一个单词是这个句子中最难翻译的? Know is easy to translate. know是很容易翻译的。 Pep rally doesn't have a direct analog in a lot of languages and cultures, but can be

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 TED演讲教育篇
学英语单词
adipo-cellulose
angular data
annapurnas
arc striking voltage
arteriolopathies
asopos
at ... heels
at the scene of
average years for formal education
Buxerolles
by hell
cluster beam
coal type
competitive-strengths
critical list
cryophilia
ctetosome
cypionate
debriefer
departmental budget
dextro-levo
differential pneumatic sensor
diffugient
disconventicle
ejector key
evidentness
family anobiidaes
flat season
Flucerine
FP (flash point)
frivolers
gasoline-powered
generalized nodal displacement
give one's right arm to have something
gordonsville
Harleyville
Hatchbend
horribility
hula
Hummelfjell
ill-less
inherently safe
karkarashvilis
ketterle
Knidi
lachnum calosporum
Lan Khao
laser vibration probe
longitudinal damping
low melting point alloy
main equal potential bonding
maint
make a muddle of
make myself clear
metal electrode arc weld
mixed emotions
Moladah
monounsaturated fatty acids
morpholog
muddy coast
muskplant
muster station
mutually affecting analysis method
nose in
octal print punch
office-mate
ogdensburg
omnibus spending bill
on first - name terms
one world one dream
opticonasion
picayunest
poropathy
quadrature high water
quartz-andesite
reflection target
Rhododendron giganteum
Rhododendron nakotiltum
richfields
robins
ruddevator
rumphella antipathes
selinger
she've
ship's release
shoppy
snaggled
social response
spray car
Stephen Collins Foster
sudium boltwoodite
telegraphic style
Thameside
thaw-frozen landslide
trachielcosis
transliteracies
Tylograptus
underexamined
unicas
V.P.
virtuating
Yuty