Mcpo
abbr. 一级军士长（Master Chief Petty Officer）
🗣️ 情景例句
I understand you used to be in the construction business,
听说你过去从事建筑业
Excuse me for being late.
对不起我迟到了。
One allegation often made is that noise produces mental illness.
常见的一种指责是，噪音能引起精神病。