Mcpo
abbr. 一级军士长（Master Chief Petty Officer）
🗣️ 情景例句
All work and no play makes Jack a dull boy.
只有工作没有娱乐会使人呆头呆脑。
I have due cause to do so.
我有充分的理由这么做。
Over the next thirty-two years he fought for human rights and the rights of workers who were badly treated by their employers.
在后来的32年多的时间里，他一直为争取人权及那些受雇主虐待的工人们的权利而斗争。