Operator function
[计] 算子函数
🧩 词语组成解析
🗣️ 情景例句
What do you do for a living?
你是做什么的？
This is a bill.
这是一张账单。
A crowd of people gathered round him and a lady rubbed his arm with soap and butter, but George was firmly stuck.
这时在他周围上了许多人，一位女士在乔治胳膊上抹了肥皂，黄油，但乔治的胳膊仍然卡得紧紧的。