Polypoly
多头垄断
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
I phoned him last Saturday.
我上个星期六打电话给他。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？