Exchanging
v. 交换；兑换；交流（exchange的ing形式）
✅ 同义词
🗣️ 情景例句
It's a serious matter for a lot of us.
对我们许多人来说这可是个严重的问题。
Where drums beat, laws are silent.
战鼓一打，法律无声。
I feel like taking a walk.
我想睡。