Mcpo
abbr. 一级军士长（Master Chief Petty Officer）
🗣️ 情景例句
Keep trying! don't give up the ship.
继续努力！ 别轻易放弃！
I would like to welcome you once again.
我向你们再次表示欢迎。
Could you do me a big favor?
能否请你帮我个忙？