air-free

英 ['eərfr'iː] 美 ['eərfr'iː]

• adj. 无空气的；抽了空气的；空的；真空的

air-free的用法和样例：

例句

用作形容词 (adj.)

1. It was hitting pockets of compressed air.
   它陷入了压缩空的气潭。
2. I was going to call and see when you're free.
   我原来想在你有空的时候去拜访你。
3. Vacuum packaging is produced by pumping all the air out of the package.
   真空的包装都是用抽气机把空气抽出的。

词汇搭配

• as free as the air 自由自在,行动自由...