Cavum
n. 空腔(如耳腔)
🔁 扩展释义
【医】 腔, [空]洞
🏥 医学释义
腔，空洞
🗣️ 情景例句
Where shall I put my signature?
我签在哪儿呀？
It was so beautiful it took my breath away.
它美得使我目瞪口呆。
This ran on an 'operating system' called DOS, produced by a then small company named Microsoft.
这种电脑采用了一种被称为磁盘操作系统（DOS）的工作程序，而这种程序是由当时规模不大的微软公司生产的。