单词：waste water treatment unit
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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
2007年VOA标准英语（九月）
[ti:UNIT 8 Save Our World Lesson 62: Take Short Showers!] [0:00.241]UNIT 8 第八单元 [0:01.922]Save Our World 拯救地球 [0:04.661]Lesson 62: 第62课： [0:06.920]Take Short Showers! 短时间淋浴 [0:09.043]THINK ABOUT IT! [0:10.420]How often
河北教育初中英语（初中起点）八年级下册
Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding
VOA标准英语2011年(八月)
Waste Not, Want Not Next week (8/26-31) is World Water Week, and this years theme is Water and Food Security. Some 25 hundred officials, policymakers and scientists will gather in Stockholm for the largest annual meeting on water development issues.
VOA标准英语2012年(八月)
DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p
2017年NPR美国国家公共电台7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
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