音标:['sʌlfaɪd] ;
n.
[美国英语]【化学】硫化物[亦作 sulfid]

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(51) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 60秒科学

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a fortune
adjustable end stripping plier
aeroplethysmography
age critique
ambulance company
Amoxa
AP-lyase
aphasy
Arctic wolf
ardicrenin
avoid any glare on the panels
biooscillation
blind spot
bulletin-board system
burnistons
cayenne peppered bancurd
charles xii
chavans
Chimbu Prov.
civic consciousness
conductometric-titration
cracking of molecules
cumyl hydroperoxide
distension water
drought-ridden
Elmstein
entitule
equipment subsidy
flatscape
Fluoresoft
fresenius
give sb the basket
glass-reinforced
gulaglike
harpooneer
Hemicormophyta
infinite cascade
inflammable compressed gas
intergranular structure
Juliusburg
lamellar cataract
latch register
linear coupler
Lycia
malleable capital
marginal distribution function
marginal gingiva
Masīlah, Wādi al
minimag
mode of thought
motion-sensor
moving house
muirapauma
multiple precision current transformer
muzzleloader
mycosphaerella imperatae
night bell key
nihs
normal hauling position
normal operating cycle rule
ohlmeyer
oomicsparite
oreas maritina (hopp et hornsch) brid
pancreas chromophilic cells
patent tribunal
pioneer investor
plasma argon arc welding machine
plurality of debtors
point-devise
poleax, poleaxe
Polledo
poly(hexamethylene dodeca-1,12-dioyl amide)
power expenses
pureed celery
pyrotechnist
reemerges
reverse migration
revokingly
Rose test
rotary fertilizer distributor
Rsk-2
rubberized
science, cognitive
segmental duct
share split
silky willows
spragger
study index file
substantial guard
sugarcandy
sympagurus affinis
tape layout form
the Lost and Found
Therianthropism
to speak volumes
tomasso parentucellis
torsional damper
toxin-antitoxin vaccination
use...to
virgin fibre
water bearers
wood nettles