Smf
abbr. 系统管理程式（system management facilities）
🗣️ 情景例句
Much still remains to be done.
还有很多事要做。
I'm going to show him how to swim.
我正要指点他如何游泳。
What about your bag? Would you like me to carry it?
手提包呢？您要我提吗？