[化] 二苯硫; 苯硫醚

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(116) / 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(180) / 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(164) / 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(111) / 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(113) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
1-N-nornuciferine
2-pyridinecarboxylic acid
3-beta-Hydroxycholestane
aggregate value of an invention
blix
BOTUS
bush jacket
Caliciales
circular wavefront
coagulated chain
coal-gas producer
coming with
confinement property
derivative instrument
direct tomography
dirofilariasis
discount on bonds purchased
Don Budge
enoxolone
erroneous arrest
Eukaryotae
euroissue
Eustrongylus gigas
fatiscent
fishing jig
flemingtons
forming ends
fused together
gas cutting torch nozzle
global literature
glow oscillator
h.t
have credit with sb
hydraulicking
hypophysis pars nervosa
image photocell
immunity from arrest
in less than a pig's whisper
inverted field pulses
jet control
Khaluf
landen
linear narrative
liquid pressure drive
MacArthur-Forest process
macilenta
market crosses
monetary production
mosinee
natural-rights
net movement
no-down-payment
nonbroadcast
once-dominant
oremus
our own
parking index
pegloticase
permanent resistance
phlegm-damp obstructing lung
phlorhizin
plated fabrics
plutonia
poultry manure
pressure vessel fabrication on site
production quantity
pucallpa
quenching and tempering
Rasti
Rhizoma Dioscoreae
right of set off
river trade limits
rotary valve device for exhaust valve
ruqaybah (ruqeiba)
safety decision rule
schlagsahne
Schoepfia jasminodora
Scorbacid
sea of channels and collaterals
selfing
shaping shop
silence of the lambs
simulating
soil block test
Solhannyǒng
storage program computer
supersold
surface-to-air
symmetric bilinear mapping
target assessment
telecommunications industry
thomas nelson pages
timbrels
traction circuit
transfer sump
unable to supply
unpardoned
used furniture
variability scale
xenograpsus testudinatus
xj
zinckenite zinkenite