Operator function
[计] 算子函数
🧩 词语组成解析
🗣️ 情景例句
Three scoops?
三杓？
Open your book,please.
请把书打开。
Late that morning, when I was doing the housework, My husband phoned me from the office.
那天下午的晚些时候，当我正做家务时，我丈夫从办公室打来电话。