单词：water clarifier
单词：water clarifier 相关文章
Two kids from Tacoma In a '72 Nova, No pill and barely old enough to drink, Learned the ropes and tested science, Started pentecostal riots, In just five minutes behind the rolling rink, In the backseat brings The American dream on a shoestring, Firs
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Ben leaned over the edge of the tub. He turned on the hot and cold water faucets. The water came out of the spout near the top of the tub. He pushed down on the lever beneath the spout so that the water would drain. He was going to take a shower, not
365个英语简短小故事
Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene
创新英语
Oxfam: Power, Water Shortages in Goma As fighting continues in the eastern DRC between government forces and M23 rebels, the humanitarian crisis is growing worse. Oxfam says its stepping up efforts to help about 80,000 people in and around Goma, the
VOA标准英语2012年(十一月)
Technology Report - How to Do It: Making Paper by Hand This is the VOA Special English Technology Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from st
2011年VOA慢速英语(七)月
This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Scientists have worked for twelve years to develop what they call Green Super Rice. They say several varieties should be available to farmers about t
2011年VOA慢速英语(二)月
Floods Challenge Midwest Farmers On his land outside Peoria, Darrel Kammeyer is keeping one eye on the rising Illinois River and another on the only thing standing between it and his farmland, a seven-meter-tall levee. It was constructed to hold back
VOA标准英语2013年(四月)
Mike washed his hands. He washed his hands with soap and water. He brushed his teeth. He brushed his teeth with toothpaste and water. He turned off the water. The sink was full of water. The water did not go down the drain. The water stayed in the si
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By Dan Robinson Capitiol Hill 16 March 2007 Former undercover CIA officer Valerie Plame, who has been at the center of a controversy involving the role White House officials played in revealing her identity, has testified in public for the first tim
2007年VOA标准英语（三月）
By Gilbert da Costa Nasawara 16 February 2007 Former U.S. President Jimmy Carter is known in Nigeria as the architect of a sustained campaign to rid the country of Guinea worm disease. Guinea worm is a water-borne worm infection that is contracted w
2007年VOA标准英语（二月）
By Cathy Majtenyi Nairobi 29 May 2006 Experts from around East Africa are meeting this week in Kenya's capital to discuss how to supply one of the continent's most basic needs, clean water. In many East African cities large areas have no access to r
2006年VOA标准英语（五月）
Climatologists are warning that an El Nino weather pattern, which can spark severe floods, forest fires and droughts, could develop in the coming weeks across the Asia-Pacific region. Heavy early morning fog hangs over Sydney Harbor Bridge, 04 Jun 2
VOA标准英语2009年(六月)
Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
VOA标准英语2011年(四月)
Stevia: a Sweetener for Kenyan Exporters and Farmers Pockets Stevia, known worldwide as a natural sweetener, comes from plants that are grown in the tropics and subtropics. The leaves of the popular plant are sweet and ideal for people conscious of t
VOA标准英语2013年(六月)
Like these sea fans, the last frontier of life on the reef. The divers reach their target-- a massive ridge, 190 feet down. Here, the air they are breathing is under pressure, squeezed down so that there's more gas in every lungful. They have to hope
自然百科2011年
Here it is. Got it, I think. A spring. And whats actually coming out of this is fresh water. You can drink. You see this stuff bubbling out? This is what the traditional owners of this place call 'buiur bindi''fresh water in the ocean'. The locals ca
自然百科2011年
By Greg Flakus Uncertain, Texas 08 February 2008 Environmentalists and conservationists work to protect natural areas around the world and are often supported in by local people who want to maintain their rural lifestyle. One such place is Caddo Lake
VOA常速英语2008年（二月）
And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer
自然百科2012年
Texas Farmers Want More Crop Per Drop With water scarcity emerging as a major global issue in the 21st century, a drought in the southern U.S. state of Texas highlights the need for farmers to get more out of limited water supplies. Some are using ne
VOA标准英语2011年(十一月)
Achieving the Perfect Shower There are two types of people in this worldshowers and bathers. (Well, I guess a third category would be those who do neither, but Id rather not explore that.) Im a lifelong devotee to the nighttime shower; for me, theres
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