Exchanging
v. 交换；兑换；交流（exchange的ing形式）
✅ 同义词
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
I have no choice.
我别无选择。
Maybe I could find out some useful information.
在那儿我也许会发现一些有用的资料呢。