Prerotator
预旋器
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
He's concentrating on learning English.
他集中精力学英语。
No, by air.
不，坐飞机去。