基本解释adj.无空气的；抽了空气的；空的；真空的同根派生 air-free相关词英汉例句用作形容词 (adj.)It was hitting pockets of compressed air.它陷入了压缩空的气潭。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。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。air-free更多例句