硫化铬(II) {一硫化铬}

American Old-time Radio Classic Favorites A Day at the Races (II) Mary: Hello, Benita! Benita: Hello, Mary. Hello, Jack. Why Ronnie, look who's here! Jack: Hello, Ronnie, aren't you surprised at meeti

发表于:2018-11-28 / 阅读(228) / 评论(0) 分类 疯狂英语2004年

[00:01.19] 13.You Are Not Alone [00:04.90]Since I was 12 years old, Ive suffered with a condition called Compulsive Hair Pulling. [00:11.11]The physical devastation was severe, but the emotional damage was worse. [00:17.31]When I was young, no one, i

发表于:2018-12-03 / 阅读(155) / 评论(0) 分类 自然百科2008年

[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e

发表于:2018-12-03 / 阅读(177) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

Could an element commonly found in Americans` tap water caused cancer? A nonprofit environmental group is sounding the alarm about something called chromium-6. The U.S. government says high levels of it in the air can be carcinogenic, meaning they ca

发表于:2018-12-20 / 阅读(141) / 评论(0) 分类 CNN美国有线新闻2017年2月

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(131) / 评论(0) 分类 cnn2009年(十一)月

Help! There's someone hurt! - What are you hearing, Sullivan? - According to first responders it was a bomb. - How many? - Four of yours and five passersby. - Have anyone claimed responsibility? - We found this. - Do you think she's dead? - We can't

发表于:2018-12-28 / 阅读(137) / 评论(0) 分类 英文电影预告片填空

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(112) / 评论(0) 分类 托福听力短文

(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate

发表于:2018-12-30 / 阅读(160) / 评论(0) 分类 托福听力短文

多功能英语阅读38 The Towers(II)

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 多功能英语阅读

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(196) / 评论(0) 分类 60秒科学

11. People who are meant to be together will find their way back to each other. They may take detours, but theyre never lost. 11. 命中注定要在一起的人终究会找到通向对方的路。虽然途中可能会走不少弯路,但是他们绝对

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 励志英语

11.Having a plan, even a flawed one at first, is better than no plan at all. 先制定计划,即使这个计划还有缺陷也比没有任何计划要好。 12.What you do every day matters more than what you do every once in a while. 每天持之以

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 励志英语

AS IT IS 2013-05-23 Pollution Forces Residents from California Town Hello. Im Jim Tedder in Washington. Welcome to a special edition of As It Is. Seventeen years ago, an American energy company paid hundreds of millions of dollars to settle legal cla

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2013年VOA慢速英语(六)月

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(187) / 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(122) / 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(131) / 评论(0) 分类 英语听力文摘 English Digest

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(200) / 评论(0) 分类 PBS访谈环境系列

GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public

发表于:2019-01-27 / 阅读(140) / 评论(0) 分类 PBS访谈环境系列

浸入灵魂的伤感Ivana Spagna ---《Con II Tuo Nome》 意大利女歌手Ivana Spagna演唱的这首曲子令人感到一股莫明的悲伤, 她那高亢浓郁的嗓音似乎不在在意你是否已处悲伤, 仍然用一个个伤感的旋律和自符狠狠的把你推入哀伤与悲凉的旋涡, 似乎这种莫明的伤感已经透入了

发表于:2019-02-08 / 阅读(203) / 评论(0) 分类 音乐咖啡厅

Why Stainless Steel Does Not Rust But Other Metals Do? 不锈钢(Stainless Steel)指耐空气、蒸汽、水等弱腐蚀介质和酸、碱、盐等化学浸蚀性介质腐蚀的钢,又称不锈耐酸钢。实际应用中,常将耐弱腐蚀介质

发表于:2019-02-24 / 阅读(195) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a priori information
Aargub
adenophyllus
antihum
antisuffragettes
audit operations
Bacillus botulinus food poisoning
Baram, Tg.
be jazzed up
Bernest
bessemer converters
Brinell micro-scope
Cedax
clinosafflorite
concrete pit
continuation subset
control system damping
cut down the size of the vessel
decision in the face of risk
desagana
devery
direct-reading instrument
display list subroutinization
dyna-drill
efferent branchial artery
electromagnetic multipole radiation
elementum punctualium
elsholtzias
evibrating
financefinancial
flame structure
fluelens
fort liberte
fourfolded
frilled lizards
fuel oil bunker
garnetberry
genus Croton
group cost system
gyneceum
homocellular
hypoparathyreosis
Hüttschlag
imido-hydrogen
internal screw-thread
Jaldhāka R.
jettisoning
kag
kiss our ass
lacrymal
law of the place of tort
leisure suit
lurid-
Martin's tmbes
Massignac
misdrawing
modernnesses
moschie
mouth illuminator
mych
nathan glazer
non residence
non-copyright
Nordendorf
obtesting
on the auction block
organocaesium
Palidoro
palliai chamber
periodize
pewit
plain self aligning bearing
posterior femoral cutaneous nerve
preaches to the choir
preventive choke coil
realized value
recovered sulfur
regenerative cycle gas turbine engine
saint ambroses
screen tailing
seat-warmer
Shencang
Shinzāni
smother kiln
spline machining
standard rate of wages
steering-gear
stepped stacking
submatrixes
Sulcus lunatus
super-abundances
Tennants
Tisha b'Av
two-layer structure
uncapacity
uncharismatic
variable-speed gear
vulgarians
Wanadoo
water-softener
watertight spacing
wedgebills