Ballonets
n. 升降气袋；小气囊
🗣️ 情景例句
I'd like to keep her, too.
我也愿意收留她。
Is this a daily flight?
这是每日航班吗？
By bicycle? From Beijing? That's a long trip.
骑自行车去？从北京出发？这可是长途旅行呀。