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
No music, no dance,
没有音乐， 没有舞蹈，
To pass away
去世，死
However, there are undoubtedly some wrong ways,
然而，却毫无疑问地有几种错误的方法。