Disposal of nonbiodegradable waste is a primary source of pollution.
对非生物降解物的处理是污染的主要来源。
Wind is a clean source of renewable energy that produces no air or water pollution.
风是一种清洁的可再生能源，不产生空气和水污染。
Do you know the cause or actual source of light pollution?
你是否知道光污染真正的来源或原因？
Noise from transportation is one major source of noise pollution.
交通噪音是噪音污染的主要来源。
There is no water pollution, is a clean source of energy.
水能没有污染，是一种干净的能源。
Jet noise is very common, and it is the most important source of environmental pollution.
喷注噪声是一种最常见的噪声，它是环境噪声污染的重要祸源。
The rational dispose of the noise source can also reduce the noise pollution.
合理配置噪声源也可以减少噪声的污染。
Ocean shipping is one of main source of Marine pollution.
海运业是海洋环境污染的重要来源之一。
Cars, being the greatest source of air pollution, can be left at home this weekend.
汽车是空气的主要污染源，这个周末可以别开车了。
Oil spills from ships are an important source of Marine environment pollution.
船舶溢油事故是造成海洋环境污染的重要途径。
Pollution source management is one of important parts of modern environmental management.
污染源管理是现代环境管理中的一个重要组成部分。
The lead pigments are a big source of lead pollution.
含铅颜料是主要的铅污染源。
But the main contributor of BOD was point source pollution.
而BOD的主要贡献者则是点源污染。
Tackling the water pollution at the head source of the rivers is not enough!
仅在河流源头治理污染是不够的！
Now the pollution become more serious, the exhaust of the car is the main source.
当前我国空气污染问题日益严峻，汽车排放有害污染物是污染的重要来源。
Uncontrolled it is a serious source of air pollution.
如果不进行控制将造成很严重的环境污染。
It is a main source of air pollution in cities.
它是城市主要的空气污染源。
It is a main source of air pollution in cities.
它是城市主要的空气污染源。
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