四氟化铬 {氟化铬(IV)}

[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(81) / 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(79) / 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(94) / 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(138) / 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(90) / 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(127) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
ammerman
Andromeda L.
angle of protection
anilinum
anti-degradant
antiresonant reflecting optical waveguides
ariuss
behavio(u)ral adaptation
block something in
buhach insect powder
capitals of qatar
carbasus hydrargyri et zinci cyanidi
central lobule
coefficient of pollution
connecting resistance
crop needs
debauchery of youth
decimal classification
disgust at
distributed target
djave butter
document entry
doodler
double deflection grille
edge plane
Electric Gradient
electron beam machining tool
exception reporting action element
F-933
ferrochelatases
Fitzwilliam I.
fixed interconnect wiring
flow in network
freshfaced
gangliated
genetic science
genus lamnas
ground water solution
heavy-gauge roofing sheet
hepatic arteries
high temperature destructive hydrogenation
hydrographic precission scanning echo sounder
investigative report
Korean War
kss
lamp extractor
Latakia Basin
limiting group
MARSOF
metalaw
methyl phenyl diketone
mill manager
minibusses
mohieddins
monticuliporoid
multi-module access unit
music information retrieval
Muslimified
naue
non-cooperative game in extensive form
odd jobs
oesophagomalacia
off signal
oil cloth
oligonucleotide-directed mutagenesis
operational symbol
out year
pc board testing
pivot jaw
pulshe
radio central office
recipiency
redbaiters
repair-deficient
rough hands
Samikshavad
Samuel Richardson
sanations
sandpaperlike
server management
ship radar
softening finish
southcoms
space-filtering operation
special effects
square mil
steel sheet shears
supersizes
telekom
the americans
threshes
tiger shrimpprawn (penaeus monodon)
to intercept
Tonikan
triphenyl amine
ubiquitinations
unbalanced load
unir
Urvanskiy Rayon
wet stock
wood-carving
Yacurai