In China, the government is trying to solve not only air and water pollution problems but also noise pollution problems.
在中国,政府不仅试图解决空气和水污染问题,还试图解决噪音污染问题。
Eutraphication is one of most serious water pollution problems in the world.
湖泊富营养化是当今世界面临的最主要水污染问题之一。
In water pollution problems, groundwater pollution becomes more and more serious.
在水质污染问题中,地下水水质污染日趋严重。
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