air-free

 
['eərfr'iː]     ['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

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