Airpack
n. (消防队员、搜索队员用的)氧气背包
🗣️ 情景例句
My wife and I are celebrating our fifth anniversary.
我太太和我要庆祝一下我们的结婚五周年。
My brother is two years younger than I am.
我的兄弟比我年轻2年。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。