[建] 三氟化铬

[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(192) / 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(156) / 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(144) / 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(154) / 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(209) / 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(152) / 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(201) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acoustic schwannoma
anatoomic
arcsinh
audio billboard
bagg
bagmen
cash subsidy
Cefobis
circulatories
collaborating
conformation-dependent
conic chain
correlation orientation tracking and range system
coulds
current-free field
dipicryl sulfide
domestic port
Egyptian water-lily
electronic engine analyzer
electronic shower
electronic weighing scale
equitable rights
fat liquor
fishing licence system
Fritillaria pallidiflora
generator trip signal
glikman
Google Custom Search Engine
Hershy squirt
HIFI (high-fidelity)
high-level instrumentation
hit on six cylinders
hole slide
honing device
hover kiln
hydrothermal ore deposit
impurpled
iridocyclo choroiditis
killogie
krausz
load weight
locking press button
low-melting
maull
melasses
metal diaphragm
miscellaneous declaration
money-centre
multireel
muscicapa griseisticta
nadecon
Nervi temproales profundi
non-identity operation
offset deposit
onetrack
ordinary performance
Paraprenanthes pilipes
pars cochlearis nervi vestibulo-cochlearis
pedological radiology
penicillin amyl
petit beurre
pezd-
pharyngeal armature
phytolacca
piliary complex carcinoma
plastoponic
preliminary reconnaissance
punch-card recorder
quasi annular flow
radar ranging system
referent
Reinhardtius
resource-base
rhamnocathartin
Rhododendron ciliipes
ringent
rotating interrupter
royal 'we'
scabrida
scuff
silicon surface barrier detector
Slater's theory
Sta. Clara
stadtholder
strategic priority
switching, circuit
take someone by the button
ten-year series
teste'd
theory of balances
tipifarnib
toynbee
transvolations
union rule
unspeakability
Vitrea
wathlingite
wet-strength paper
word-classes
work-ins
Xiangxi Formation
zootrope