Thg
abbr. Third Harmonic Generation 第三谐波生成
🗣️ 情景例句
Good.
好。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
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。