Operator function
[计] 算子函数
🧩 词语组成解析
🗣️ 情景例句
I needed that like a hole in the head.
简直想要了我的命。
To knit a scarf for her sweetheart
替她的情人织围巾
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。