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(66) / 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(92) / 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(91) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
accounting reorganization
acid rains
adhesion zone
affination sugar
allocrine
axial preload
bacon strips
bakey
be comfortable with
blade type trowelling machine
brain-washings
calcined potash
campo alegre de lourdes
chromaticity printing
coinversion
cutanous
cutensil
demonetarize
denomination
derive nutrients
diablotin
discharging choke coil
distortion measuring equipment
dolichoderus
downy poplars
Drassmarkt
embedded fonts
equivalent-barotropic model
fettucine Alfredo
fiddle face
final anode
fission(Fs)
flabellina rubrolineata
folliculi lymphaticus
galganis
GMA pallet
gobbier
gpl(gram per liter)
groomsmaid
growthist
half-chances
hatchette
herpetiform measles
income from investment
infrared file transfer
jams out
junk dnas
kit-bags
let someone into
mandamuses
meadowlike
microclimatologist
mix variance
momentary speed adjusting device
needle-type clothing
Neuvy-Grandchamp
nisga'a
non-recurring items
nonmetals
nunk
OHGS
omit
output pad
paillards
parachrysotile
parameter selection mechanism
passive method
phalangeals
printer character set
process equipment
pyrophosphorous acid
Quashee
rationes decidendi
reciprocal law failure
rocket grenade experiment
rub fastness
Rustburg
sals
short rib side
Sinsin
sklavin
slumpiest
sporule
spring point
spring-loaded quilled type indirect pilot
sundry customers
supercompiler
symbol pulse
Taksimo
task priority dispatching
telegram relating to water marks
the light of day
thought-ful
trading-standards
true to oneself
urosein
valve dissipation
varietal characteristic
weather-proof finish
weighted-count
womenswear
WSW