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 can't hold a job down.
我不能老被拴在一个工作上。
Why don't we go to the office now?
为何我们现在不去办公室呢？
He dreaded having to spend Christmas in hospital.
他十分害怕在医院过圣诞。