亚硫酸铬(II)

[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(115) / 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(97) / 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(95) / 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(117) / 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(157) / 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(107) / 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(156) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aerofoil section angle
aire rivers
allon
anthracotic tuberculosis
anti-republicans
applanations
assorted vegetable
bartendress
bistropha
bridgeware
building ledger
cassaidine
chain graph
check crossed gengerally
Chybie
conditional dominance
convoy loading
corner gate
crab-eating opossum
diagnostic serology
ditaine
dockstader
dogsits
dome-type frame
durabler
easier-to-understand
ethnocentricity
event-driven application
extra muros
Fanakolo
filmizations
fitting equivalent pipe length
forest goat
Free-will offering
front axle slip angle
full of drama
gas service pipe
geospatial engineering
Gosse R.
guangzhou city
handwriting chinese character
helix-angle
high pressure seal packing
hook of hamate bone
horse marine
hypericisms
ichth.
International Maritime Satellite-B System
jane seymours
jigjog
kustelite
latex mold
lead base bearing metal
Maasin
Marisa
maximally connected component
mesole
mixing pad
more-important
Naini
neoconceptualism
Nephroparatyphoid
noemis
nonallied
noncosmetic
obestatin
Onosma lijiangense
osteameba
out-of-process server
paradisi
pecked at
perculace
perieodic current
pherogram
photograph amplifier
placenta nappiformis
Pozuelos, L.de
quantum evolution
R-C network
re aggregation
retail shop
ruthful
sapless
sheafor
short course
signal transfer delay
silicified wood
slide of puppet head bottom
stapedotomies
storing property
tallying document
tax coordination
the Yangtze River Valley
thioether acid salt grease
town god
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ultrasonic effect
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unidirectional flow pump
upper sideband
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