polluted water prosessing的用法和樣例：
例句
- The solid parts of the waste water are processed and composted and finally turned into top soil, fertilizing the island.
固體部分的污水處理和分解，最后變成最土壤，施肥的島嶼。 - Research on water pollution control by aquatic ecosystems is a focus of wastewater treatment in recent years.
利用水生生態系統治理水體污染是污水處理領域的研究熱點之一。
