Operational semantics
[计] 操作语义
🧩 词语组成解析
n. [语]语义学；语义论
🗣️ 情景例句
This is she.
我就是。
To wave your arms
振臂，挥手
Suddenly, a middle-age lady got on the train and sat opposite Sally.
突然，一个中年妇女上了火车，坐在萨莉的对面。