单词：
单词： 相关文章
Unit 17 Saving the Environment271 拯救环境 比起消除真正的污染，当前加强对于环境保护重要性的认识，其意义还要深远得多。我们太晚才认识到，当我们在生产﹑规模﹑速度和发展这些方面取得成就的时候，生活条件已大大恶化 The effort to save the environment derives
2006年星火30篇考研词汇
(From an Omni Processor promotional video:) Bill Gates: Over 2.5 billion people have no access to safe sanitation. We asked brilliant engineers to help us solve this problem, and one of those engineers actually has proposed a solution where the waste
英语语言学习
[00:38.69]What are Wang Bing's plans for the future? [00:45.53]He's going to start work at the Farm institute next month. [00:52.38]Language points [00:57.21]1.Have you ordered yet? [01:01.86]Just let me wipe your table and then I'll take your order.
高中英语人教版高三
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)
More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without
VOA标准英语2013年(一月)
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