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
Can I have your name, please?
请问您贵姓大名？
There are three terms in a school year.
一学年有三个学期。
It's been open for several years.
它建成已有好几年了。