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
When did you buy a house?
那你们在什么时候买房子呢?
These clothes are too short, they need to be let down.
这些衣服太短了需要去改一下。
We can offer you this in different levels of quality.
这产品我们有三种不同等级的品质。