氢硫化铟(III)

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(71) / 评论(0) 分类 英语演讲

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(69) / 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(124) / 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(102) / 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(61) / 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(61) / 评论(0) 分类 英语听力文摘 English Digest

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(59) / 评论(0) 分类 英语美文

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 英语新闻
学英语单词
a ray of comfort
agile software
air bill all risks
al-jumhuriyahs
allisses
anchor and chain proved
balancing clamp
ball retainer
bare metal restore
bebed
burnt clay
carriage-out
case board stained by moisture
chebule
Chernyshkovskiy
circular vent pipe
coastguardsman
coefficient of reproducibility
condones
conical wedge anchorage
conways
corneal marginal degeneration
cutis neuroma
cytosine deoxyriboside
dimensioning lines
djh
e-forum
e-systems
electric tape cloth
electronic wire service
element of fluid
errors of pessimism
es cells
estimated data
eurytopic
FaBfragment
feed preparation techniques
fingerprint expert
framework directive
gas deposit
gas exchange process
griefe
hand scanner
hand vice
hand-operated fruit press
harrowings
hemerocallin
high-definition
hypoadiponectinemia
Ice-slide
insulation rod
keep a promise
key enciphering key
left-hand tool joint
liquability
london business school (lbs)
low brake pedal
low voltage cable line
luminous exitance
magnesium diphosphate
McIvor
microbubble
microsaccharimeter
mini-amplifier
minimum punishment
mycodomatium
NC (no charge)
neuromorphic sensing
nodulle
overbites
overmedicalizes
part-timers
passivized
phase-black
plugger points
polynemic
postwork
presentoir
psychological adaptation
radar screen picture
re-urge
reduction factor power
regulatory compliance
reregistration step
rhexistasy
risk-neutralities
round arch
run length encoding
salt-loaded
series-in-series-out register
shield hole
short-time average value
solar beam plan
special remark
Syzygium hainanense
t-apo
take a stand against sth
Tarrif of Liner Company
thrombolytic agent
velamenta linguae
ven'son
wet embossing