Airpack
n. (消防队员、搜索队员用的)氧气背包
🗣️ 情景例句
A movie!
电影！
It's a long way from here.
它离这里很远。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。