常見(jiàn)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(lái)想在你有空的時(shí)候去拜訪(fǎng)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(jī)把空氣抽出的。 返回 air-free