单词:secondary treatment of sewage
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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
California officials are praising workers for rescuing a 13-year-old boy who fell into a river of sewage in Los Angeles. 加州官员都在褒奖工人们拯救了一位掉入洛杉矶下水道的13岁男孩。 The boy, Jesse Hernandez, spent more th
Lesson 38 Water and the traveller 水和旅行者 First listen and then answer the following question. 听录音,然后回答以下问题。 What does this text describe? Contamination of water supplies is usually due to poor sanitation close to wat
CNN's Kara Finnstrom reports on Orange County, California's latest source for water Clean, clear water, it is in short supply here in Orange County, so any new source, like this one, is warmly welcome. That is, if you can get past where this water c
arguement51The following appeared in a medical newsletter. Doctors have long suspected that secondary infections may keep some patients from healing quickly after severe muscle strain. This hypothesis has now been proved by preliminary results of a s
President Obama is expected to call for hundreds of billions of dollars in new tax cuts and government spending tonight in an effort to boost the creation of jobs and bring down the nation's high unemployment rate. NPR's Scott Horsley reports the pre
(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
November the 19th is World Toilet Day (WTD). This day celebrates the importance of something we never really think about too much the toilet. Imagine life without one. There are many world issues regarding toilets. WTD is a global day of action to ra
By Peta Thornycroft Water rationing has been imposed in Zimbabwe's capital, where water shortages have reached critical levels. Half the city's four-million residents are either short of water or have
污染物 aerosols气溶胶 / 气雾剂 agricultural wastes农业废物 asbestos石棉 commercial noise商业噪音 composite pollution混合污染 dioxins二恶英 hazardous substances危险物质 hazardous wastes危险废物 heavy metals重金属 h
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
AS IT IS 2015-04-18 Brazil Working to Clean Dirty Olympic Bay 巴西为迎奥运清理河岸垃圾 Around the world, people are excited for the 2016 Summer Olympic Games. The host city for the events is Rio de Janeiro, Brazil. The city is known as Ci
AS IT IS 2016-09-06 Water Pollution Puts Over 300 Million at Risk 超过3亿人面临水污染风险 More than 300 million people in Africa, Asia and Latin America are at risk of life-threatening diseases such as cholera and typhoid. The reason: Poll
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
物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声,洪
We want to accelerate adoption of sustainable building and development practices. 我们想要提高高承受性建筑及其应用的采纳度。 We want more innovation. 我们想拥抱更多革新。 But a lot of times, whole categories of innovati
The River Thames runs over 200 miles through the British countryside and on to the city of London. Each day, thousands of visitors enjoy the pleasures of just being on the river. But as little as 40 years ago, this body of water had become one of Eur
矿山回填 oil residue recuperation 残油回收 radioactive waste management 放射性废物管理 recycled materials 回收的材料 recycling 回收 reuse of materials 材料再利用 sanitary landfills 卫生填埋 sea outfall 海洋排泄口 s
本期内容: Researchers in the US have been investigating the final journeys taken by disposable contact lenses. They found 15-20% of US users simply flick these fiddly lenses down the drain via the bathroom sink or toilet. The study suggests tha