little is done to make dirty water clean before it goes into the river,in some big city.怎么翻译
问题描述：
little is done to make dirty water clean before it goes into the river,in some big city.怎么翻译
答
little is done to make dirty water clean before it goes into the river,in some big city.怎么翻译
中文意思是:
一些大城市在先要把污水清洁後才回流到河里这项工作完全未有尽力.