单词:prevention of pollution by 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
Part 3 The Smoke Detector 烟雾探测器 Dialogue Script1 对话原文1 Jack: (Reading letter) Dear Mister Smith, your daughter informs me that... Tina: What's this about? Jack: Apparently Lisa reported us for failing fire safety standards. Tina: Is that th
Studies Support Truvada as Prevention New studies show programs that use antiretroviral drugs to prevent HIV infection are very effective. The findings were released at the Conference on Retroviruses and Opportunistic Infections in Seattle, Washingto
By Jane M Friedman Washington, DC 11 April 2006 watch DNA Skin Cream report In the United States, where skin cancer is common, a team at the University of Alabama Birmingham is trying out a cream that
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
World Suicide Prevention Day (WSPD) is a day we should all put on our calendars. It highlights a huge but often ignored problem in our society. Every year thousands of people take their own lives. Around 3,000 people a day commit suicide. Another 60,
新编英语教程第四册unit11_3_Crime_Prevention
Part 1 The Pyromaniac 纵火狂 Dialogue Script1 对话原文1 Tom: Want to help me build a matchstick house? Tina: Uh, where did you learn how to do that? Tom: Some friends at school taught me. Tina: It's amazing what you kids are learning in school these
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
This is the VOA Special English Health Report. Wednesday is December first, World AIDS Day. This year, experts are reporting more signs of success in halting the AIDS epidemic. The number of AIDS-related deaths and the number of new infections are bo
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
A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h
HIV/AIDS Treatment as Prevention' a Top Priority A top AIDS expert says the best way to control the epidemic is to use antiretroviral drugs as a prevention tool. The treatment as prevention strategy will be highlighted at next week's AIDS conference
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
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