dos
n. [计] 磁盘操作系统（=Disk Operating System）
近义词：departmentofstate，diskoperatingsystem，StateDepartment，state，
英英释义
Noun
- the federal department in the United States that sets and maintains foreign policies;
"the Department of State was created in 1789"
- an operating system that is on a disk
例句
用作名词(n.)
- She always looks forward to your dos.她一直盼着看看你的计算机磁盘控制系统。
- This operating system was called Disk Operating System or DOS.这个操作系统后来就被叫做磁盘操作系统。