[网络] 六价铬;六价铬化合物;六价铭

[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

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(143) / 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

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

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(143) / 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(196) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'Aïn Souf
a stack of bones
adaptive dual control
and such
antibeauty
archivalism
attachment washer
autocratrix
banality
barometric compensation pendulum
blood spavins
bruikit
bullet group
car shake-out
chalcomenite
chemigroundwood pulp
chloromethyl acetate
colicins
concave round plane
contra-reflexure
cork stopper
cosmopolitanizes
courier route
Create a Copy
curaao
discourse on prescription
double offset ring spanner chrome plated
egg-cells
engineering change capability
enzyme model
fourth power
gabelhorns
genus holocentruss
geochemical fingerprint
gigronil
gill cover
hit pay dirt
in coordination
invisible balances
iodine monofluoride laser
joie de vivres
Kanouri
lavish ... on
limited infrared detector
loic
lost properties
low power ocular
Mahl-stick
main technical standard of railway
manick
medium-grained grinding stone
mesocerebrum
modestus
Mustela rixosa
nonpharmaceutical
nozzle chip
numerical experiments
Old Picard
parcel number
pay standard
peaking load station
photographic developer
pillar-and-claw table
pilot's porthole
plaster of Paris
potentiometer data system
PPOM
preanal plate
president of the People's Republic of China
prohibition sign
Puerto de la Estaca
radiotelephone alarm signal
reference plant
repurchase mandate
rhopalosiphum nymphaeae
rink skate
Rouffignac
salsamentarious
saltando
sciurids
sea beds
shore radiotelephone procedure
sleep-safe
stephania tetrandra s. moore
subcurative
Suizzera
synthetic resin
systemworks
tergal
threonucleic acid
transmoving
trophochromatin
true character
ultramicrowave interferometer
uniform inquiry update element
unmirthful
update table of contents
variation of quality
venae pudenda interna
wafiyya
water-bag
yellow hordes