Commutations
(commutation 的复数) n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
How are you?
好吗？
We've gone over quite a lot. Shall we take a break?
我们已进行很久了，让我们休息一下好吗？
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？