Grammaticalization
语法化
🗣️ 情景例句
Mrs. Greenberg is on the phone.
Greenberg太太打电话来。
Who is calling, please?
请问你是谁？
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。