Predefined function
[计] 预定义函数
🧩 词语组成解析
a. 预先定义的
🗣️ 情景例句
I know it hurts.
我知道那儿痛。
I wrote several letters on my mother's behalf.
我代表我母亲写了几封信。
This is Zhou Lan speaking.
我就是周兰。