Ceos
abbr. communications enterprise operating system 通信企业操作系统; comprehensive electronic office software 综合电子办公软件
🗣️ 情景例句
Go for it.
去试试吧。
I'm a graduate of Yale University, I have an M.S.degree.
我是耶鲁大学的毕业生，我有理学硕士学位。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，