Commutations
(commutation 的复数) n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
I have a call to make.
我需要打个电话。
Go to bed with the lamb and rise with the lark.
早睡早起。
The things on show were all used a hundred years ago.
展出的都是100年前使用的东西。