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词型变化:名词复数形式 : polymers-polymers

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(308) / 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(363) / 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(287) / 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(333) / 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(425) / 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(313) / 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(416) / 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(290) / 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(430) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
a large amount of
amicholin
annofoline
anywhere
auricutin
be at the end
Benlate T
bolshiest
busch-
canosa (canusium)
Carex fastigiata
coded graphic character set
color developer
computer aided warehousing system
confluent parenchyma
conformation-independent
density of wood substance
Dicatechin
dilution and concentration test
easy does it!
Eforie Nord
electric motor operated fixed crane
emblematic art
exciter field rheostatic type automatic voltage regulator
expect ... of
fall off a truck
female parthenogenesis
flipped tab
fontolizumab
furfuryl propionate
glassphalt
Gower
graded task
graphic output unit
Gudernatsch's tests
halcyonids
high level data manipulation language
hybrid resonance
hydroxindasate
import commision house
indexed database
indigirkas
infrared spectrophotometry
infundating
injury severity score
irradiation theory
isothermal run
leucocytic toxin
machine instruction decoder
malvastrum spicatum
Maple Falls
Matimbuka
Mayon (Mount)
merchant fleet
mesoaortitis
miltonite
mind-bending
morphosphaera bimaculata
multi feed circular latch needle machine
multilevel computer control system
n-pentyl phenyl ketone
near-monopoly
of alkalosis syndrome
out in nowhere
page boundary error
pageoph
particle absorption factor
pattern correspondance index
pedigree breeading
permissible type
position root-mean-square error
precision component
pump bowl flange
reak
Ronde I.
Sardina, Pta.
side air admission
Sisson Branch Res.
small ice
Solzhenitsyn, Alexandr
stump chipper
subcutaneouly
Sulfa-Ter-Tablets
sychrotron radiation source
terrestrial spectroscopy
The air was blue.
to shoot
trash talk
uncaringly
under margined
unenvenomed
unnestled
unsatire
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veerman
wagg
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war anchorage
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wave eliminater
wire cloth galvanizing
year round type