Commutative operator
[计] 交换算符
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
The Hilton hotel, please. I have a 10:30 appointment.
请到希尔顿旅馆，十点半我有一个约会。
It seemed as if there was no way out.
看情形似乎没有出路了。