Marcom
abbr. Maritime Command (Canadian) 海事指令（加拿大）; microwave airborne radio communications 机载微波无线电通信
🗣️ 情景例句
No charge for the cleanup.
清洗不用付费。
You have a radio,don't you?
你有一台收音机，对吗？
Why not?
干吗不来？