Eutrophication is a major pollution problem for shallow lakes in China.
富营养化是当今中国浅水湖泊面临的重大污染问题。
In recent years, the water quality of shallow lakes is becoming worse and worse.
近几年来浅水湖泊的水质污染形势日趋严峻。
The relatively flat landscape is dotted with shallow lakes during the extremely brief summer season.
在极短的夏季当中，一些相对平缓的低地上会出现若干个很浅的小湖。
The relatively flat landscape is dotted with shallow lakes during the extremely brief summer season.
在极短的夏季当中，一些相对平缓的低地上会出现若干个很浅的小湖。
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