氯化铬(II) {二氯化铬}

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(231) / 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(156) / 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(178) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 VOA标准英语2014年(六月)

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(142) / 评论(0) 分类 CNN美国有线新闻2017年2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(138) / 评论(0) 分类 英文电影预告片填空

(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(162) / 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(147) / 评论(0) 分类 多功能英语阅读

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(148) / 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(148) / 评论(0) 分类 2013年VOA慢速英语(六)月

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(155) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(212) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(148) / 评论(0) 分类 自然百科2009年

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(201) / 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(142) / 评论(0) 分类 PBS访谈环境系列

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(143) / 评论(0) 分类 地道美语播客

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(196) / 评论(0) 分类 英语听力文摘 English Digest

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(246) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
aerobic-anaerobic interface
alienation of product of labour
ankita
antimarketeers
antrophyum alatum
asthenia universalis
asymmetry of peak
atween
auto mode
bat bolt
benzyrin
berengers
breadfruit trees
buddy-movie
calcite
calculus dominated models
caloricity of gas
capillary free electrophoresis
carvel built boat
centre-of-gravity shift
chapati
chrome azurol S
coadunition
Denguin
drag parachute/barke parachute
dumpcart
eco-energy
effect insurance
electrical excitability
enfant trouve
Eng. Ch.
Eulexin
failed broker
filter-binding
forest supervisor
gas solution
gear member
generator drive axle
glandulae Parotis accessoria
go from
gob line
hetmans
home question
hook shot
identification switch
impeller breaker
indirect reference word
inflatable cushions
installment bond
jalabiya
know inside and out
konarite (connarite)
Kydia calycina
lacrimal reflex
life events
lime kilning
lithium thodanate
longevity of residue
march upon
mass law
max-min criterion
melodicism
metaphorizes
micro-crystals
mine disengaging mechanism
neuro-epithelial cell
never-exceed speed
nisioic acid
non-chalant
ocro
odd shaped work
Onoto
open solar absorption refrigerating machine
Operation Sealion
paraphyletic
Portagees
progressive muscular dystrophy
proportioning plant
qualitative determination
Quixote, Don
ready for sea
restraining effect
rhodium tribromide
roamin'
routine stool test
Ruunaa
Sasa oblongula
scapulacoracoid
Shakhab
short-wave transceiver
social-learning
soil humus
sorediferous
Tatsinskiy Rayon
the earth's surface
tinea nodosa
triclinic holohedral (pinacoidal) class
unlawful cause
watson-williams' test
well-enough
won ton soup
woodshedder