Polluting
v. 污染；玷污（pollute的ing形式）
✅ 同义词
🗣️ 情景例句
Nets for tennis and badminton and so on.
有网球和羽毛球用的网等等。
I have great difficulty in understanding him.
我觉得很难理解他。
We're in Class Three, Grade One.
我们是在一年级，三班。