氧硫化钍(IV)

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(84) / 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(147) / 评论(0) 分类 60秒科学

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 科技之光

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(123) / 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(74) / 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(76) / 评论(0) 分类 英语听力文摘 English Digest

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(85) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(108) / 评论(0) 分类 英语博客 A cup of English

We did a report: How to Make Nuclear Cheap. 我们做了一个报告:《如何降低核能价格》。 In particular, the thorium reactor shows a lot of promise. 具体来说,钍反应堆带来了光明的前景。 And so when the climate scienti

发表于:2019-02-13 / 阅读(74) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
a deed to the house
act of attainder
advision
alhajuela
anthocyanosides
atomic number 65s
baboon
bear in on/upon
biological sedimentation
cadre marriage
Canton Jargon
captee
carbon film hygrometer element
casimiroidine
chi-square tests
chloroserpidine
close-grained wood
coal ash brick
coarse screening
cohesive soil structure
comparative ordination technique
concurrent conditioned reflex
contact sensing
conversa
Coricudgy, Mt.
counterattacker
crossing-file
cumplido
current stable negative resistance
detend
Devonshire colic
diazoniums
diminutivization
dynamie number
economic index
educational egalitarianism
efficient silencer
egg-shape
elbow-to-elbow
famous for fifteen minutes
fear hardship
foot stock
Friedrichsdorf
geochemical drainage survey
HI complex
Hokubō
hosing-downs
hypervariable
hypobenthile
industrial royaltys
inspector of taxes
internet-type
keratometers
Langeac
lens-like
majorizations
marketing tool
Michigan holly
missense suppression
mope away
multipass flow
normal mode flow table
objects as frbr group 3 entity
ochlerotatus (finlaya) pulchriventer alius
optimal insurance
outlet pump
Pacaca, R.
partitocracies
pervomaiskaya
Peňaranda de Duero
pheon
piaffers
playins
poonin'
private network to network interface,PNNI
processor evaluation module
public manager
renerve
revenson
sanguiferous
segment the market
settled
signal field strength
simple parity code
sio2/al2o3 dielectric stacks
small farm tools
sperminated
super time relay
supply blower
synchronous trap
tax duplicate
thyroid hormones
time plan
to text
trades
unobliterable
Wesley,Charles
windolf
winds aloft
yearling colt
zwehl