Monophyly
单系
🗣️ 情景例句
Good luck! And stop worrying!
祝你好运， 别再担心！
He feels resentment at the interruption.
他因被人打断而恼怒不已。
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。