亚硫酸铬(II)

[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(150) / 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(125) / 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(121) / 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(138) / 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(181) / 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(133) / 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(180) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abdon
actinogram(roentgenogram)
afferent cranial nerves
agricultural implements
akanthomyces ovalongatus
Alabama
anemotaxis
anogen
aponeurosis bicipitalis
astronomic meridian
Ayedo
belcastro
black and white signal carrier
cala
carry out a test
chaffery
chip separation
concionator
Corti's teeth
court of protection
cowpies
cyclicality
degree of negligence
diffusion-controlled step
duration of voltage collapse
egg-and-spoons
electronic track scale
ethyl nicotinate
extra-long
flame float
flat topped curve
florcruz
footmarks
forward blocking interval
foundable
Frequency Bin
fuel low heating value
fusoma parasiticum tub
gangrenous endometritis
geofoams
gone all the way
Great Cultural Revolution
handful
hatte
homonymous scotoma
hubbed clip on welding flange
ink-jet typewriter
isotactic polypropylene fiber
Ixhuatlan
lace
LSSC
magneto call
maripas
mon Dieu
Mékébe
Nol'de, Guba
nuclear quadrupole
nuclei lentis
offences of threaten
Ordino
output element
outside dimension
overconcern
paatelainen
philomathical
phospholipidemia
Piscataquis County
pneumonomoniliasis
powder forming
premodern agriculture
random sampling voltmeter
reverse blocking
right of integrity
scale deposit
Scleranthus annuus
sheetlike
side pull lay
sperm penetration path
starter motor drive spring
sting in the tail
subject to immediate reply
sulfide ores
suona
system of investment responsibility
Takla L.
think to oneself
trinerve
typing time equivalent
Tyrolean
ultralights
unhadien
unpacking
unregulated rectifier
unstiffening
up former
vacuum mat
vague compact
vaizey
verareine
waiting room
Whitney Point
ytps