n.廢水；污水

The huge outlet debouched the wastewater. 大出口排出廢水。

Rubbish can be used as a sorbet of wastewater. 垃圾有可能作為廢水中有機(jī)物的吸附材料來使用。

The wastewater treatment system should be properly maintained. 污水處理設(shè)施必須妥善維修。

Biotreatment techniques are widely used in wastewater treatment. 生物法是目前污水處理中廣泛采用的方法。