[化] 耐化学聚合物; 耐化学性聚合物

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(52) / 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(78) / 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(61) / 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(107) / 评论(0) 分类 Scientific American(四)月

HEALTH REPORT - Increasing Supplies of Malaria Drug Through Genetic EngineeringBy Cynthia Kirk Broadcast: Wednesday, April 19, 2006 I'm Shep O'Neal with the VOA Special English Health Report. Malaria

发表于:2019-01-30 / 阅读(43) / 评论(0) 分类 2006年慢速英语(四)月
学英语单词
abaciscuses
achatine snail
Aconitum brachypodum
affix revenue stamps
Afojjâr
algardes
almirah
antipyrine mandelate
around and around
Arteria occipitalis medialis
astatine
bargain away
birne
boiler air heater
bunshaft
card deck input
carry-back of losses
chain conreyor for basket
chiricahua
chlorinated oil
clenched-fists
coral fungus
crapton
creaturely
cuspal enamel
dermatropic, dermatotropic
digit-transfer bus
display address
dlt
double bazinga
double exchange rate
dynamic accent
ebonist
ecchymoses
equidispersion
Erechtites
erraticum
Euonymus fertilis
extrasemantic
facility field
ferrocyanide titration
fimbrilliferous
fluorite type U-ore
fotoceramic
Gbytes
genus manilkaras
giugiaroes
glandula apicis linguae
grease spot test
hairshafts
homosexualized
Iaciara
identification tape
immunoquantitation plate
impelling force
indicator diagrams
ionization-compensation method
isogenous
isolated elastic support
jacemine
jawbone
Kolva
linsenmeier
madreporarias
metabolisation
metroclyster
minimal goal level
mouldability
Murri's disease
museum fatigue
myrmicine
nystagmus against the rule
optional rate
parasitid
pasture degradation
Picea asperata Mast.
polydactyla
pre-play
promises, promises
rapid convergence
Retithyris
sawtooth-like eaves plate
self-annealing
set of file descriptor
shaped material
steel eutectoid
strawstone (carpholite)
stuffing bytes
subhomomorphous
sudangrasses
Surbiton
swineries
therapeutick
thermoplastic protective tape
three-stage jumbo
towing the bow
transmission reference point zero level
ultraweakly
underground parking garage
vein suture needle
vergers
yaupon