Ballonets
n. 升降气袋；小气囊
🗣️ 情景例句
Sir, everything now is offered with a great discount.
先生，所有的东西都在打很大的折扣。
I don't know anything about that.
关于那个我什么都不知道。
Because he doesn't like school!
因为他不喜欢上学。