Omc
abbr. 操作维护中心（Operation and Maintenance Center）
🗣️ 情景例句
May I have a tour of the cockpit, please?
我能参观一下驾驶舱吗？
First come, first served.
先来先卖。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。