吃透英语课本，提升在校竞争力
n. 废水，污水
Wastewater from factories and houses
工厂和家庭的废水
How was your school trip to the wastewater plant?
你们去污水处理厂的游学之旅怎么样？
Ask questions, such as 'How useful is water for industry?' or 'Are factories treating wastewater properly?'
问一些问题，比如“水对工业有多有用？”或“工厂是否正确处理废水？”
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