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(102) / 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(132) / 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(126) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
7-methoxybaicalein
accessory mineral
accessory parotid gland
allocation of duties
altitude characteristics
alveolar bronchiole
amidinelyase
arteria spermatica externa
arterial blood re-entry
ashunch
autogenous cyclone
automatic modulation control
back to work
Biryakovo
body of urinary bladder
boronization
broach sharpening machine
butyl octyl phthalate
Cappuccini, Pta.dei
carbon packing ring
charles robert darwins
child hygienics
chitosan
Chlamydozoon
Clioquinol
comet probe
commercial rate of interest
conductus motet
converso
cornea aqueous barrier
Cornutum
creeping property
cunabular
debugging mode
determination of sex
dynamic infrared spectrometry
Escurolles
farm operator
frustration of the insured voyage
furnhams
gas-rings
gaseous radioactive waste
general birth control measure
general reader
geometric average
Globba racemosa
Hoghes induction balance
hybrid security
hyperpepsia
inside forward double three
intratusal fiber
kranes
lerambert
macroleukoblast
matzah ball
method of continued distribution
miliolite
misfurnish
Narammale
neodymium chloride
Neoparasitidae
nonrevenue passenger
palladinoes
parasite vascular plants
perfect score
permanent way machine
Pharbitis Choisy
photomatic
polypiles
Pwehla Taung
pyritise
quiescent conditions
rapid plasma reagin test
reflection coefficients
reptile house
ridge regression analysis
Rubus mallotifolius
satchelled
secondary migration
section line
semierections
single action printer
single-stage extraction
snars
stand in a white sheet
standard white plate
state judicial organs
stationary bowl dough mixer
stemness
stoas
swarajist
teeth-roll crusher
test tools
top address
topskin
uhf/df (ultra-high-frequency direction finding)
uncompassionate
unsell
valengongite
Wanne-Eickel
wind heel criterion
workday