Omc
abbr. 操作维护中心（Operation and Maintenance Center）
🗣️ 情景例句
Have you got time this morning
今天上午你有时间
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
My brother is seeking a job.
我弟弟正在找工作。