[化] 一氯化铬

[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(164) / 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(131) / 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(126) / 评论(0) 分类 英文电影预告片填空

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(143) / 评论(0) 分类 2013年VOA慢速英语(六)月

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(186) / 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(138) / 评论(0) 分类 PBS访谈环境系列

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(183) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
AAF
absolute term
actual carrier
adsorbable
aeration period
agatelike
Airklubi
aiyo
alternate row seeding
aminophrminopyrinemoni test
antarctic treaty party (atp)
anti-capitalists
antisocially
arc jet engine
Arnemuiden
Arnica montana
auto decrement deferred index
barber's rash
Bargachia
battery cover
battery cupboard
biscuitroots
boiler control instrument
Calimera
case involving motor
chemeis
chucking capstan and turret lathe
clandestine possession
click chemistry
coaxial cylinder magnetror
convection-diffusion equation
Conway, Mt.
corticioid
crosstalk components unintellingible
customer special charge display
cutaneous acariasis
Dear Abby
diphenylsuccinic acid
double-door refrigerator
Drunksville
elastic potential energies
experiment control
fan-shaped round
fatty acid composition
FLETC
floor walker
galerucella grisescens
given me a shout
grafting component
graphic telluriums
half hour
heater-type thermistor
hoorle
icariresinol
independent partial tide
intraosteal
Iraq Inquiry
Kalkreuth
Malthusia
mercury neohydin
Mexican bean beetles
mitred core
mower cutterbar attachment
narrower band
net rate of heating
odontorrhagia
operation unit
pentadactyly
performance verification
persemic rock (c.i.p.w)
postreplication
private mail
pulse shape descriminator
purgatorio
radiation detection
radish seed oil
radius gyration
reflector frame
ribbon spiral conveyer
ruling power
satellite communication control facility
self-exiles
shoestring catch
single mode laser diode
ST_including-and-excluding_creating-alliances
STOMOXYIDAE
subsector
Synaprim
tee someone off
tentacle girdle
trade waste sewage
trip attraction
trustees
turbith
two-strand coil conveyer
Vaisheshika
vertical photograph
Walkers Ferry
winning back
Yayabo, R.
yevethan