Ballonet
n. 气室(调节气球升降)
🗣️ 情景例句
I have made a decision, Rita Mae.
我已经做了决定， Rita Mae。
We can offer a discount in progressive stages according to the size of the order.
根据订购数量的大小，我们可提供累进的折扣。
Let me see. Oh dear! Yes, it is broken.
让我看看，天哪！是坏了。