[化] 一硫化铬; 硫化亚铬

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

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(66) / 评论(0) 分类 英语语法 Grammar Girl

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(104) / 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(82) / 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(46) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a living document
airsecond (airsec)
Androsace wilsoniana
Anema
anion exchange membrane
avascular necrosis
bacteria bed
bad-guy
beach pollution
beam deflection amplifier
bimolecular elimination reaction
biological orbiting space station
Bristamox
bunglesome
capacity potential
carboxyl methyltransferases
cavity receiver
Chatel-Montagne
cheese head rivet
Chuburka
commercial articles
condition of pure competition
contact guidance
Corydalis changbaishanensis
crested wheat grasses
damp fog
Dandridge, Dorothy
dashboards
development research
discrete-time Markov process
Diyadin
ehac
end bank
entrechat six
fasslabends
fatty liver
female macrogametocyte
fever therapy
fringefan
gefarnil
gramroentgen
Hartia obovata
Heart's Delight
highhatter
hypertrophy of capsular ligament
inconvertible paper money
intercommunication primitive
italian capitals
Ivydale
jojola
kassebaum
kemenche
learned professor
lehmanns
light finishing cut
likelihood ratio estimation
lite pendente
loop diallings
lowbrowest
luminous tube
m. tibialis anterior
mansionry
midtrip
monitrix
multimode behaviour
multiple-drilling machine
Nainital
nicodamids
nioben
no lien affidavit
painfullest
partial heat
photoelectric follow up
physics of planetary interior
pictorial displays
pittsburgh plus systems
pre-engineered belt conveyor
public bid opening
rated fuel delivery
reaction thrust
Rhodes-wood
riccios
samlped hologram
San Quirico d' Orcia
screwed those
semisubmersible platform
shack-shack
Sheetrocking
Sitkon
slay them
state-centrism
supergovernments
supporting structures
Thiocymetin
thyroid hormones
tremble dance
tuits
unseaworthinesses
vertebrate functional morphology
watersaver
yokel-like
zealotisms