Ballonets
n. 升降气袋；小气囊
🗣️ 情景例句
Where is your family from?
祖籍在哪里？
Oh well, you'll just have to remember their names.
好吧，你们只好记住他们的名字了。
Ask Mr. Wu if you can have some old boxes.
问问吴先生，你能否搞到一些旧箱子。