[机] 氯化铬酰

[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(184) / 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(150) / 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(140) / 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(151) / 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(207) / 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(148) / 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(198) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acathetic
adpersons
aerodynamics engineer
aligned bundle
all-union
aluminum (tri)acetate
architectural fountain
Barrandeina
Battle.net
benzetamophylline
bequeathments
bespoke department
bessants
brand-newnesses
bumping test
burstable
cargo notation
cathodegraph
change with every wind
cinnamomum macrostemon
communitive
coral gem
customer market
decatyl alcohol
dehybridize
DH process
differential pressure levelmeter
distributing box glass
divide into two
doorboy
double semicircular broach
double-poles
earthquake catalogue
Echinocodon
Edtac
electrical circuits
engislet
erals
excarnations
family Theaceae
Filottrano
flow in three dimensions
Franklin centimeter
geometric approximation
hagia sofias
hexenoic
hip roll
hypomixolydian
idling consumption
Impatiens nyimana
in op. cit.
infantilisations
intra-day low
isoentatic line
lenero
maximum material condition(mmc)
meander index
metaharmonic
micrometer caliper gage
mirlitons
muchuanite (altered molybdenite)
non-impact
nonumbilic
on the jar
oscillatory laser behavior
palmprints
pathway of equilibrium sense
peck-orders
Peterbell
photo-electricity
Pietrii, Vârful
plane concave antenna
point maximum
posterior risk function
prolongable Riemann surface
quaffing wine
recording amplifier
reduced hardness
regrator
rembrandt bonds
resolver
S of S
scrage
sillab
single-neuron modelling
single-tube porcelain bushing
skirting plate
space requirement work sheet
state-television
superfans
Terebratuloidea
thalictrum baicalense turcz.var.megalostigma boivin
Tintioulé
transmissible venereal tumor (tvt)
trophy cup
tsangshanensis
two-part tariff
ventbart
wear reducing value of lubricant
western-leaning
wet-and-dry
zigzag crevasse