单词：rotary hopper dewaterer
单词：rotary hopper dewaterer 相关文章
This is the VOA Special English Development Report. Almost forty years ago, a community service organization started providing eye care in Gujarat State, in western India. The Rotary Club of Navsari operates an eye hospital and nine area eye centers
VOA慢速英语2009年（三）月
The start of the school year in Niger means another move for people displaced by flooding, who had been camped in school courtyards. The government is helping those who have nowhere else to go. Four months ago, cattle grazed along the River Niger, as
VOA标准英语2010年(十)月
Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar
Scientific American(十二)月
This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo
VOA慢速英语2009年（六）月
By David McAlary Washington 12 September 2006 The International Space Station has received a new pair of giant solar energy panels that will double the amount of power to the outpost. Spacewalking astronauts have begun the task of connecting them to
2006年VOA标准英语（九月）
By Paige Kollock New York 17 September 2009 Salva Dut Thirty-four-year-old Salva Dut lives in New York. He was one of Sudan's Lost Boys - one of the many thousands of children orphaned during the country's 20 year civil war. For more than a decade,
VOA标准英语2009年(九月)