Airpack
n. (消防队员、搜索队员用的)氧气背包
🗣️ 情景例句
You're much thinner since the last time I saw you.
你比我上次见你的时候瘦多了。
Thank you very much.
非常感谢。
Von Frisch watched the wagging dance very carefully.
冯·弗里施非常仔细地观察蜜蜂跳的摇摆舞。