[化] 三氧化铬
[医] 三氧化铬, 铬酸

[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(107) / 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(86) / 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(85) / 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(107) / 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(151) / 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(100) / 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(135) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a taco
acetarson
ailing
alpine silicated raw soil
anti-backlash driving
antiwart therapy
Arno River
arteriae digitales volares propriae
beechcrafts
boil-over
breaking down
cablelike
capacitive emf
capacity loading and scheduling system
cellular autonomy
certner
chenopodoside
chilling machine (chiller)
code selector
commuting matrices
compound pressure and vacuum gage
conditioning agent
cooling-water leakage detector
Couphochlore
crosscompatibility
cubed
cutinites
cytofluorograft
Daboia elegans
differential density separation
digestion-promoting prescription
downstream section
drill jig for air cylinder
drum-type pickup
dynamic formula for piling
enantioselection
extend into
falling of blossom
fasciculi thalamomamillaris
fuel element deposits
furnace-cooling
Galicians
gaussian randomprocess
gorbuscha
gum stick
hinge axis point
hollow ball
hot plug
ideal operational amplifier
independent wholesaler
keratotom
L. I. F.
lateral binding
LMWH
locking wedge
minimum value point
misframing
mortgage-market
neutron soil-moisture meter
Nezelof
not-I
ooloid
orsay
pear gauge
phlebopexy
phytobacteriomycin
plane-tree
plough-like farm tool
Pontriagin's maximum principle
preadaptive mutation
protolophule
pseudoileus
radiator core cleaner gun
radioiodin uptake (raiu)
receiving blanket
reciprocating type supercharger
reinstitutionalizations
reinsurance credit
relative conversion ratio
replacement tanning agent
rieng
sector
self adjusting expansion chamber
Sohna
somoun
stable price
submerged pipe
Swedish torch
syndrome of external wall of cavernous sinus
tape feed switch
total float
true to one's colors
Trévillers
Ubauro
US Marshals Service
vacuum capacitor
vessel internals
viagra
visceroptosis
voyage letter
witold