M-s
abbr. minerals separation 选矿; Monday through Saturday 周一到周六; master-slave (flip-flop) 主-从（触发器）; Material Service (division of General Dynamics) 物资服务部（普通力学分科）
🗣️ 情景例句
I gave that idea up a long time ago.
我很久以前就放弃了那个想法了。
Poverty makes a man mean.
贫困使人小气。
Yes?
什么事？