air-free的用法和樣例：
例句
用作形容詞 (adj.)
- It was hitting pockets of compressed air.
它陷入了壓縮空的氣潭。 - I was going to call and see when you're free.
我原來想在你有空的時候去拜訪你。 - Vacuum packaging is produced by pumping all the air out of the package.
真空的包裝都是用抽氣機把空氣抽出的。
辭彙搭配
- as free as the air 自由自在,行動自由...
