音标:[ˈvɪtri:əs ˈsilikə] ;
玻璃状[透明]石英, 流态硅土
词型变化:名词复数形式 : vitreous silicas
【近义词】

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

发表于:2018-12-31 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2015年VOA慢速英语(七)月

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

发表于:2019-01-19 / 阅读(81) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
a strake
activated sludge filamentation bulking
adder accumulator
al faw (fao)
alkaline incrusted cystitis
apple jellies
B. & T.
bar disintegrator
baseball-card
be in favour
be no end fine
big-endian and little-endian
bolivian monetary units
boyis
camshaft gear drive
cap flashing
Cardium
cavetti
chinese calligraphy
claimants ledger
conversational report
crab winch
cutting over
delay mixing
deletes
demeurer
dhoruba
diatomaceous chert
double counterpoint in the twelfth
Dove Dale
energy-intensive technology
esc.
Ethershare
evaporable waste
Evenk
expendient
false reed
flour
forward current rating
genuflect
guardaba
hand driven generator
hattrick
heat exchange in sea
ice cream slab
indicine
individual cylinder
inhabited building distance
inherent opening time
ioderma
ko gaku (japan)
Kǒmdǒksan
mace butter
Madison River
mat matter
matrix gate
micro-code
monosyaptic reflex
multiple terminal
N-dimethylcyclohexaneethylamine
Nafrine
nuclear magnetic resonance computerized tomography
ordinal indicator
ordinary budget
Paleo-Siberian languages
Paneth and Hevesy method
passing shot
physik
pilot light burner
polyphenol-aldehyde fibre reinforcement
precompute
preferee
pry bars
Puricama
raphe of scrotum
rejoindure
roller cone
run-up brake
Salix microphyta
salmorejo
salvage group
scammoniae resina
scummers
semibatch selectivity
Serangoon, Pulau
Sitosterln
slamkins
sphinx-likest
sulfhydryl compound
super typhoon
taxable base
transfrontal orbitotomy
trial at nisi prius
triphenylguanidine
ultraviolet absorber fixative
unique array
unsupportively
vertical sliding window
vessel detection
virusin
yellow-orange leaf