Additional predefined function
[计] 附加预定义函数
🧩 词语组成解析
a. 预先定义的
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
Custom is a second nature.
习惯是第二天性。
Looking at his watch, he saw that it was one o'clock, but the bell struck thirteen times before it stopped.
他一看表，才1点钟，可是那钟一边敲了13下才停。