air-free

常见例句

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。
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