[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(112) / 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(176) / 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(160) / 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(104) / 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(106) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acevedoes
aire rivers
airknockers
anaches semicylindricus
Ancylostemon gamosepalus
and no wonder
arch bar tender truck
ascriptive responsibility
Bank of China Group
be in phase
Bibby
blend (in) with
Bourgery's ligament
braxy
Campanula yunnanensis
carrot snappers
cashbalance
catapultic
circuit performance
coffy
colour blindnesses
confirmation charges
Cotoneaster foveolatus
cracked-carbon resistor
currency value is firm
cuyu tigni (kuyu tingni)
departed
duncker
ebrietas
emergency fresh water tank
Etzbach
exposure area
facial malformation
fly ash filter
formation of weld
frequency offset
galvanized steel
grape-leaf begonia
gummatous syphilide
higher education associations
Holmstrup
ilioparasitus
incentive pace
Ishiwara
lan (abbreviation)
liquid-metal fast breeder reactor
litanic
lornnesses
manorhouses
many wave approximation
metacritiques
microanalysts
mixed mass-service system
most widespread
multigrade oil
multiple master
nanowatt
NMR technique
noncoherent integration
normal expenditure
number sizes
one pip area
PAS/MAP
passive countermeasure
past due account
past peradventure
peculiar nebula
pelory
pore space ratio
posttraumatic epilepsies
prinzess
pyramidist
ratio test for convergence
redeclaring
restage
resterilises
restraint structure barrel
rhizopus chinensis rugosporus
Rubia wallichiana
scratting
selective trip
sherrell
short wave radiation
silicon rubber glass paint cloth
skinks
soluble monolayer
stretcher course
structural sequence
stylin
sub-zero coolant
systema respiratoriums
tailer sequence
teatre
Tetoron
Thai Ridgeback
to have lunch
to put out
toroidal transformer
trimedoxime
try every shift available
van druten