Omc
abbr. 操作维护中心（Operation and Maintenance Center）
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
I know he will do something.
我知道他会做什么。
The house has many large rooms and there is a lovely garden.
这栋房子里有许多房间，还有一个漂亮的花园。