超支化聚合物, 超分支聚合物

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(141) / 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

图片1 firm n. 公司adj. 结实的,坚定的v. 牢固,坚定 adv. 稳固地坚定地 例句:The firm branched out quickly. 那家公司很快扩大了经营范围。 Cary insisted that we should maintain afirm attitude. 凯里坚持我们必须

发表于:2018-12-30 / 阅读(110) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 词汇大师(Wordmaster)

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(153) / 评论(0) 分类 60秒科学

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(196) / 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(157) / 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(209) / 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(120) / 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(225) / 评论(0) 分类 VOA标准英语2016年(二月)

4.常见疾病名称 Internal Medicine 内科 Acidosis 酸中毒 Adams-Stokes syndrome 亚-斯氏综合症 alcoholism, alcoholic intoxication 酒精中毒 alkalosis 碱中毒 anaphylaxis 过敏症 anemia 贫血 iron deficiency anemia 缺铁性贫血

发表于:2019-01-17 / 阅读(208) / 评论(0) 分类 英文语法词汇

1. Dude, stop drinking, you are already hammered. 哥们,别喝了,你醉了。 hammer 既可作名词又可以作动词,都与锤有关。 hammered 除了可以表示成形的,锤制过的以外,在美语里可以表示喝醉的,与drunk同

发表于:2019-01-21 / 阅读(143) / 评论(0) 分类 英语口语

It is not your average police car. 这可不是一辆普通的警车。 Abu Dhabi's Police Department has revealed its latest vehicle - a $3.4m hypercar with a surveillance system robocop would be proud of. 阿布扎比的警察部门曝光了他们最

发表于:2019-02-05 / 阅读(155) / 评论(0) 分类 阅读空间

A new app promises to revolutionise the way we take pictures, creating hypnotic animated loops of everyday snapshots to be shared on social media. 一个新应用程序立志要颠覆我们的拍照方式,称可以创建一种能在社交媒体上共

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 阅读空间

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(174) / 评论(0) 分类 英语单词大师-Word Master

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(165) / 评论(0) 分类 英语单词大师-Word Master

Broadcast on COAST TO COAST: March 11, 2004 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the su

发表于:2019-02-16 / 阅读(130) / 评论(0) 分类 词汇大师(Wordmaster)

The gift of tongues. 语言的天赋。 What makes some people learn language after language? 何者吸引一些人接二连三地学习多门语言? Babel No More: The Search for the World's Most Extraordinary Language Learners. 消逝的巴别塔:寻

发表于:2019-02-17 / 阅读(162) / 评论(0) 分类 阅读空间

His's perivascular Chinese希斯血管周隙(脑与脊髓血管动脉外膜和神经胶质血管周围界膜之间的间隙) His's zones Chinese希斯区(胚神经管的四个纵增厚束) Histology Chinese组织学 Hitzig's gridle Chinese希茨希带(与乳房同高的一环状痛觉缺失区) Hitzig's test Chinese

发表于:2019-02-26 / 阅读(201) / 评论(0) 分类 英文语法词汇
学英语单词
acquired need
acutangulus
Alcamin
AmiuosinInosine
anti-anemic
anti-foaming agent
armament supervision
audio-range
boiled dinner
bostrychopsis parallela
candida sake
case-based
chain-pump
chivied
Class rate schedule
cogat
Commodity Swap
conisbroughs
Copparo
cut down one's expenditures
cylix
dance of the masai (tanzania)
definite melting point
departure alternate
design handbook
destandardizing
dichroine
discontinuous control system
Dissel mean effective pressure
duckham
Dynamax
ecclesiastical attire
echange
economic-justice
eightysomethings
epigenomes
extensionists
fer sure
filler contact phone number
full admission
Geithellur
genus holothurias
Google Shopping
graphina taiwanensis
growth precursor cell
gyping
hammermilled
high-crowneds
hikkake
hydrostatic curve
in my own name
International Fund for Agricultural Development
Johannine
key word out of context
ladycrofts
LCAL
limp-dickedness
linear systems theory
long direction
managerly
mask tooling
medianet
memory accumulator
mercuderamide
metal focal plane shutter
neutron monitor
nirs
nitrite bacteria
nuzzlings
open Riemann surface
overall uniform sampling fraction
overcleans
permanent oils
pervert
poison sparger
preliminary route indicator
pressure reducing station
Principle of Error in Extremes
process variability
pseudocoel
ramkissoon
Ramus lateralis
re-confirm
request homing
saxifraga hypnoidess
sea kindliness
sectionalizing oil-circuit breaker
separate-zone producer
septal lamellae
septic sore throat
shockproof tube housing
slipnoose
speciesist
tack line
thermal flooding
tie racks
transnumeral
tricks out of
Ust'-Shcherbedino
virtual segment structure
zero-sum two-person game
Zygophyllum kansuense