您要查找的是不是：
- 水质water quality
- 污浊grime
- 污浊的dreggy
- 水质监测water quality monitoring
- 大城市的空气往往是污浊的。The air of a big city is often impure.
- 水质分析analysis of water
- 水质指标water-quality index
- 空气很污浊。The air is very foul.
- 水质污染危及所有海洋生物。Water pollution imperils all kinds of marine life.
- 污浊的，肮脏的Foul or dirty.
- 因为水质不纯净，所以不能饮用。Impurity of the water made it unfit to drink.
- 屋子小空气污浊。The room was small and the air stagnant.
- 2001年度近岸海域水质类别Grades of the Water Quality in Offshore Marine Areas in 2001
- 污浊物fouling product
- 水质预测water quality prediction
- 污浊的空气foul air.
- 灌排水质irrigation and drainage water quality
- 使污浊filthify
- 降水水质quality of precipitation water
- 防污浊antifouling(动)
