Airpack
n. (消防队员、搜索队员用的)氧气背包
🗣️ 情景例句
Don't be upset by Boswell's commercial.
不要为了Boswell的广告而忧心。
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
In this way, he was able to solve the mystery.
就这样，他解开了起火之谜。