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Why Does Plastic Wrap Cling To Itself? What makes kitchen plastic wrap cling so maddeningly to itself, and so conveniently to the sides of bowls and plates? Plastic wrap clings for two reasons: its elastic and its sticky. That probably seems pretty o

发表于:2018-12-31 / 阅读(32) / 评论(0) 分类 英语听力文摘 English Digest

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 英语听力文摘 English Digest

What Makes Windshield Glass So Tough? We tend to think of glass as fragilebut in fact, glass is pretty strong stuff. A flawless fiber of glass pulled lengthwise is five times stronger than steel! Although glass is quite strong, its also very brittlea

发表于:2018-12-31 / 阅读(41) / 评论(0) 分类 英语听力文摘 English Digest

Thailand's new prime minister has been forced to delay his policy statement. PM Abhisit Vejjajiva' government is seen as invalid by supporters of former PM Thaksin (file photo) Up to 9,000 anti-government protesters besieged the main thoroughfares t

发表于:2019-01-03 / 阅读(30) / 评论(0) 分类 VOA标准英语2008年(十二月)

By Brian Wagner Caracas 28 May 2007 Venezuela's replacement of a popular opposition television station with a new state-backed network drew fierce criticism that President Hugo Chavez is curtailing democratic freedoms. Demonstrators, including univer

发表于:2019-01-13 / 阅读(102) / 评论(0) 分类 2007年VOA标准英语(五月)

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(91) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'Emrānī
a natural for something
abs(american bureau of shtandards)
alipamide
alpha-sitosterol
automatic driller, automatic drilling control unit
autostradas
bag forming machine
Becsehely
brachiotomy
branchial groove
bridge number
business bag
buzzlike
cape barren i.
capitalist economics
chalco
commercial speech bank
conjugate deviation
counted cards
Cremanthodium petiolatum
cxxc
cynanche maligna
DC series generator
dissepimental
douras
drive shaft of transmission
ecoregion
electrode compound
endeavourer
engineering experiment
five-digit number
G'azalkent
god-children
goldleaf electroscope
H3PO4
healingly
hemiditone
heun
hexylalcohol
I-n-Tillit
icadon
interferometric technique
internal font
invariant (phase)system
joiner work
kirtle
kolenbrander
lead p-aminobenzoate
likenessed
mammatus
meat bun
messan
migrated time section
minimum operating distance
mountain lift
murses
native ability
normal accelerograph
not see eye to eye
notopleural
offer comments
onmeuable
order of priority
oversubtle
parameter error vector
Percnia giraffata
phase-plane diagram
pressure sensitive diode
pripyats
Qaboun
realpolitikal
rescus by stages
respackle
rigid-bodies
Rosières-en-Santerre
rotary mechanical atomizing oil burner
salops
Sayda-Guba
sciatic bursa of gluteus maximus
session of the peace
side lobe suppresion
single aisle building
sittings-out
stationary fuel cell power system
strep throat
television audio
television programmes
thaneship
the interest rate
thermoelectrode
time-displacement curve
Twelvers
uncoiling wire or synthetic fiber rope
unforgivenesses
voice message
vysly
westrum
whiteleys
xylorhiza adusta
zero-sum two-person game
zincochromite