水处理剂

[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(148) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

65 野火的燃烧会造成汞污染 ENVIRONMENT REPORT September 7, 2001: Mercury Pollution in WildfiresBy George Grow (Start at 59

发表于:2018-12-09 / 阅读(119) / 评论(0) 分类 自然探索

I think what we've going on here in the last 24 hours is the greatest number of Americans rescued by helicopter Sensakan Katrina.Lieutenant Coral Autoback talking about the sever flooding in Carolado. We are going to have more on that in just a momen

发表于:2018-12-19 / 阅读(116) / 评论(0) 分类 CNN2013年(九)月

Friends who had a swimming pool also had a little sign posted that said, We dont swim in your toilet. Please dont pee in our pool. Despite such widespread admonitions, four fifths of those questioned believe that their fellow swimmers are guilty of

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(151) / 评论(0) 分类 Scientific American(八)月

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

发表于:2019-01-07 / 阅读(158) / 评论(0) 分类 2007年VOA标准英语(九月)

There are no scare poles ,no pain killing injections needed for this skin cancer treatment ,a harmless cream and a special plaster are all it takes. Inside the device,a tiny LED light activates a drug in the cream to create a toxic chemical that kill

发表于:2019-01-07 / 阅读(107) / 评论(0) 分类 万花筒2010年

[00:07.16]READING [00:07.97]A HEALPING HAND [00:09.14]A Wang Lin is a carpenter who lives in eastern China with his wife and son. [00:12.49]Two years ago, he was diagnosed with tuberculosis. [00:15.33]He was getting weaker and suffered from constant

发表于:2019-01-10 / 阅读(351) / 评论(0) 分类 高中英语人教版必修第三册

[00:07.16]READING [00:07.97]A HEALPING HAND [00:09.14]A Wang Lin is a carpenter who lives in eastern China with his wife and son. [00:12.49]Two years ago, he was diagnosed with tuberculosis. [00:15.33]He was getting weaker and suffered from constant

发表于:2019-01-10 / 阅读(292) / 评论(0) 分类 高中英语人教版必修高三

This is the VOA Special English Development Report. More than one billion people around the world do not have clean drinking water. Their water supplies are unsafe because of natural or man-made pollution, such as industrial chemicals or human and a

发表于:2019-01-11 / 阅读(110) / 评论(0) 分类 VOA慢速英语2007年(九)月

Coal Industry Blamed for West Virginia Chemical Spill 西维吉尼亚化学品泄漏与煤炭工业 There are new calls for increased oversight of the powerful chemical and coal industries in West Virginia following a major chemical spill that cut of

发表于:2019-01-14 / 阅读(93) / 评论(0) 分类 VOA标准英语2014年(一月)

West Virginia Chemical Spill Still Affecting Rural Areas 西维吉尼亚州化学泄漏仍影响偏远地区 CHARLЕSTON In the U.S. state of West Virginia, a major chemical spill that contaminated a river supplying water to hundreds of thousands of

发表于:2019-01-14 / 阅读(95) / 评论(0) 分类 VOA标准英语2014年(一月)

West Virginia Chemical Spill Leaves Hundreds of Thousands Without Clean Water 美国西维州埃尔克河被污染,影响居民水源 For the fifth consecutive day, 300,000 residents in and around the U.S. city of Charleston, West Virginia, have be

发表于:2019-01-14 / 阅读(157) / 评论(0) 分类 VOA标准英语2014年(一月)

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

JUDY WOODRUFF: A few drips of good news greeted residents of West Virginia today, but the fallout from last weeks chemical spill is far from over. There's finally relief for some of the 300,000 West Virginians who've been unable to drink, cook or eve

发表于:2019-01-27 / 阅读(87) / 评论(0) 分类 PBS访谈健康系列

DEVELOPMENT REPORT - A Small Packet of Chemicals, a Big Effect on Dirty WaterBy Jill Moss Broadcast: Monday, April 03, 2006 I'm Steve Ember with the VOA Special English Development Report. Scientists

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 2006年慢速英语(四)月

西弗吉尼亚州的化学泄露影响仍在 CHARLЕSTON In the U.S. state of West Virginia, a major chemical spill that contaminated a river supplying water to hundreds of thousands of people is slowly dissipating. Officials say the water restricti

发表于:2019-02-04 / 阅读(106) / 评论(0) 分类 英语新闻

Up to 480 thousand residents in the American state of West Virginia have been affected by a chemical spill that leaked into the states water supply. At least one fourth of the population has been affected by the spill. The president of a West Virgini

发表于:2019-02-07 / 阅读(122) / 评论(0) 分类 CCTV9英语新闻2014年01月

Ecolab Inc., an American global provider of clean energy technologies and services, has made great progress on helping industries in China to produce their goods with less water consumption. Those industries include dairy plants, food industries, ste

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 英语新闻

What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上,我们感兴趣的部分并不是细菌会不会发光,而是细菌何时发光。 What we noticed is when the bacteria were alo

发表于:2019-03-04 / 阅读(185) / 评论(0) 分类 TED演讲教育篇
学英语单词
a rap on the knuckles
Acacia pruinescens
acorn watch
Agathis dammara
alkarsin
anti-bourgeois
audio support
axially of abscissa
battle of form
beneficiaries
Bennett,James Gordon
cable head end
cabotegravir
cawser
charge injection device
cloudline
colour-de-roy
commercial credit aisurance
communications control console
Copemish
Derazhnya
DHPU
directory enquiry
dry-dockage
duplexor
epicadmium fission
eraldin
european filbert
farnum
Felton's method
field fever
Forel, Mt.
fremitus
fuel oil viscosity control
furnace rake
fyodor
G-equivalent morphism
genus Symplocus
Glycine soja Sieb. et Zucc.
goodness
graminaceous plant
graminifolia
growth in length
Gākuch
half full center
heavy route station
hired hands
honest to gods
hurdlework
intracted
Kapingas
Kincolith
lactation mammary abscess
legends
linear inversion
mahoganized
Mai Lanh Thuong
Methilanin
moldenpress
neostatin
new-products development expense
normal environment
notice of assessment and demand for property tax
operator control language
original document processing
outer glume
padless
phthisis
prescription medicine
push-pull transistor
rebark
regenerative extraction cycle
regulized
Republic of Georgia
resultant action
riesz summation
right tangent
sale of fixed assets
Sandwip Island
scale or draugh
screen-factor
segmental timbering
sharp-featured
sirloin roast
smoketube
spring seating
starns
stewed egg-plant
subband
summer recess
superregulator
suspended participle
Tangutologists
the mitten sport
Tigrinia
tittee
translator routine
triethylisobutyltin
Trostyanets'
tuyere penetration
wave winding machine