Unary operation
[计] 一元运算; 一目运算
🧩 词语组成解析
a. [数]一元的
🗣️ 情景例句
It was destined to happen.
这是命中注定。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
May I? Thanks. Oh, this one is nicer than the other one. What's in it?
可以吗？谢谢。噢，这个比那个更好点儿。里面放的是什么？