硫酸铬(III)

ACT III Here's the bag. 箱子拿来了。 Will he be OK, Dad? 他会没事吗,爸爸? I hope so. 希望没事。 That's it. 对啦。 That's the way. 就这样。 That's it. There. 很好,啊。 Oh,

发表于:2018-12-02 / 阅读(100) / 评论(0) 分类 2008年NPR美国国家公共电台二月

[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(100) / 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(75) / 评论(0) 分类 CNN美国有线新闻2017年2月

ACT III Hi. I'm Malcolm Stewart. 嗨。我是 Malcolm Stewart。 John Marchetta. 我是John Marchetta。 Sit down, sit down. 请坐,请坐。 Susan has told me a great deal about you. Susan告诉我许多

发表于:2018-12-20 / 阅读(131) / 评论(0) 分类 走遍美国 Family Album U.S.A

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(72) / 评论(0) 分类 英文电影预告片填空

21. Never regret. If its good, its wonderful. If its bad, its experience. 21. 不要后悔。如果成功,那是最好;如若失败,也是一段经历。 22. Being busy and being productive are two different things. 22. 忙和高产是两码事。

发表于:2019-01-08 / 阅读(149) / 评论(0) 分类 励志英语

21.Being busy and being productive are two different things. 忙忙碌碌和工作高效是完全不同的两码事。 22.Being happy and being successful are two different things. 幸福和成功是完全不同的两码事。 23.We all have differen

发表于:2019-01-08 / 阅读(136) / 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(84) / 评论(0) 分类 2013年VOA慢速英语(六)月

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 世界各地新闻集锦

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(126) / 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(84) / 评论(0) 分类 PBS访谈环境系列

D Fish Ears Tell Fish Tales Fish have ears. Really. They're quite small and have no opening to the outside world carrying sound through the body. For the past seven years, Simon Thorrold, a university

发表于:2019-02-06 / 阅读(152) / 评论(0) 分类 实用英语

C McGill Comedy Club Important meeting today. Discussions on putting on Blazing Saddles.Union room 302, 3-4 pm. New members(both actors and non-actors, living and dead )are welcome. History Students'

发表于:2019-02-06 / 阅读(180) / 评论(0) 分类 实用英语

TAIYUAN, Jan. 9 (Xinhua) -- China successfully launched the Ziyuan III satellite Monday from the Taiyuan Satellite Launch Center in northern Shanxi province. The satellite, a high-resolution remote-sensing satellite for civilian use, was launched at

发表于:2019-02-11 / 阅读(58) / 评论(0) 分类 英语新闻

E HOW TO BOOK Booking opens for Beckett Shorts on 8 September. BY TELEPHPNE For credit card ( 信用卡 ) bookings. Calls are answered. BOX OFFICE 01789 295623 9am 8pm(Mon-Sat) 0541 541051 (24hours, 7

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 实用英语

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(90) / 评论(0) 分类 英语时差8,16

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(124) / 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(164) / 评论(0) 分类 《海底两万里》中英双语有声读物

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(164) / 评论(0) 分类 实用英语

C I’m seventeen. I had worked as a box boy at a supermarket in Los Angeles. People came to the counter and you put things in their bags for them. And carried things to their cars. It was hard work.

发表于:2019-03-13 / 阅读(275) / 评论(0) 分类 实用英语
学英语单词
alchemically
alexander mcqueen
anaerobiont
annual abstract of labor statistics
anodize, anodizing
arteria sulci precentralis
backrest height
ball-and-disk in tegrator
bell signal
biocommunication
biopsychospiritual
boyces
British refineries
bronchitic
buckeys
Bullerfish
cgs unit
chromatic audition
citrate-phorphate-dextrose
cold seal pressure vessel
combine with bagging platform
community-source
cultishnesses
cut out switch
cyanoses
cytogenetical
divisional manager
engaged upon
escape hole
express alternate pcb
fine-particle filtration
finish-forging
foreign file
fuel outlet valve
fughettas
gadzinski
genus Nephrops
graphics string
graphite points
great primer
Guéyo
Han Kook
helm right easy
Hydroidea
image-processing system
intoxicateth
joint close
kalansuwa
lead(ii) metaphosphate
lunisolar daily variation
merit index
metapodal shield
minimum-wasted-time rule
musculus subscapularis
N channel MOS(metal-oxide-semiconductor)
nanocomputer
Napier's aldehyde test
nephroerysipelas
noninflated
normal fully-charged condition
obstetrical toads
office-hunter
open sky
order Umbellales
positive force
powder-keg
precipitate recognition
prepaid rent income
pressure reduction valve
productive set
public river
rave iron
requirements vector
rown-wheel
safranines
salzmann
Saturnalia
scarus globiceps
security arrangement
semi-finished product cost
septinary number
Shamgar
shuttlecock ferns
single-to-coincidence count
smilin
staple cereal
stdiobuf
steppenwolf
supporting member
suprapermafrost water
Swertia veratroides
tensility
thrombosis of cerebral cortex
Tori Creek
tow device
trapezoid abrasive tile
truljalia formosa
two way encipherment
unliver
Venae pectorales
Voronezhskiy Zapovednik
water soluble vitamin