[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(105) / 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(82) / 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(81) / 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(98) / 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(142) / 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(92) / 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(129) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accessorized
accounting for foreign operation
alternative substiutions
amap
Amphiaraus
antimony aniline-tartrate
appendiculate
aptera(e)
assotting
balmoral castles
bioleached
blepharopgorrhea
break-point chlorination
Calcarea
cephalic version
chill test piece
Cirrasol-OD
cony-catching
cotemporary
cubic decimeters
defluorinating
diplomatic history
direct steamer
disenchantingly
Dnpuis's cannula
Dobryanka
drop forging
dual species
enormantic
erodium cicutariums
extra high-pressure mercury vapor lamp
firum
flail type beater
George.
Giemsaband
glow discharge sputtering
grid meridians
guilingly
gun director
headsman
heated flame ionization detector analyzer
Hepb.
high-ups
ill repute
in the flue
in vitro metabolism
indeterminations
jersey i.
labrador moonstone (labradorite)
Ladinian Age
language pack
laser drilling
lenticular truss
Leuconostoc dextranic
LLVY
lower priority
luminous characteristic
mod/demod
nechako
nonpolio
not too hot
nutbags
nyker
order printer
other-world
pas-flower
pay per view
pier-to-door
polar filament
postrolandic
potance
Pérez Millán
quadrature value
queu(e)ing routine
rainshadow effect
ratio of slenderness
reference back
regulated power supply
relative metrics
relevance tree method
remotabola
resued
Reumagrip
sabre-rattlings
saddo
seven-mile
shangs
shingles
something new
spermospheres
strickenness
subsurface thermometer
superpurity
thermoplastic floor tile
Tirmann-Schmelzer staining method
traducianism
vertebral gland
Vitis thunbergii
water man
working hard or hardly working
Wrench in the works
Zund-Burguet treatment