Airpacks
(airpack 的复数) n. (消防队员、搜索队员用的)氧气背包
🗣️ 情景例句
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
Make yourself at home.
请不要拘礼。