[化] 缩聚物; 缩合聚合物

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(54) / 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(81) / 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(63) / 评论(0) 分类 Scientific American(一)月

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(79) / 评论(0) 分类 Scientific American(九)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(109) / 评论(0) 分类 Scientific American(四)月

Senem: Hey, Shawn, I heard that you are really good at making key lime pie. Shawn: Key lime pie, that's my special recipe. I just can't give that out to anybody. Senem: Yes, you can. Please. I really want to make it tonight. Please tell me. Shawn: Wh

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 英语访谈对话
学英语单词
acrosomal process
adenyl(ate)cyclase
administrative building
Ahle
altitude indicated above mean sea level
antinutritional factor
AQC
arity
armorheads
auto components
Baerensprung's reythrasma
Biarjmand
blocked sulfoleate
bomgardner
Boru Debre Birhan
capital and shareholding structure
clip stretcher
co-authoring
commorancies
cosmetic underclass
covenantors
crash blossom
cryogenic industry
culter
dictyonitic structure
dihal-, dihalo-
distribution-free
Down oars port!
downregulating
East Kilbride
eco activity
electrolytic tissue
email clients
end of task exit routine
Erskine John
etisus electra
fibrous tunic of eye
flow-measuring apparatus
gastriloquist
grampus
gravitational constants
Greek house
gweduc
harden sb to sth
heparin sulfate
high performance radio local area network
husband-hunting
infraorbital nerve (or superior dental nerve)
inter-nodes
intramaxillary
intrashelf
k56flex
leprology
lesum
limiter diode
living prototype
locator key
Mamakan
maneuverable warhead telemetry
meta-argillite
metal-roofed
minal
moody's investors services inc.
negative bias
non-a-e
nonsuffixed
orientation tortion
partially sighted
peeta
phase shift magnetometer
phenotype mapping
phyllosticta cirticola
pickled mustard-green
piliform
pipunculus (cephalops) coatalis
Port McArthur
rate stability
rebbecca
sbes
Scotized
seaside arrowgrass
shebats
sodium orthoaluminate
soft fibre
spring seat angle
squeezing machine
stainless steel square
storage traveling wave tube
straffan
strip jasper
suckups
sus laws
task data
thioncarbonic acid
tone marks
unburst
Ureterocecostomy
vocal technique
Walchum
weapon control system
work a friend for a loan
Yesterday was Sunday