wastewater
noun /ˈweɪstwɔːtə(r)/
/ˈweɪstwɔːtər/
[uncountable]- used water that contains waste substances from homes, factories and farms
废水 - municipal water and wastewater systems
市政用水和废水系统 - a wastewater treatment plant
废水处理厂
- municipal water and wastewater systems