Smf
abbr. 系统管理程式（system management facilities）
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
I hope you can find your glasses soon.
我希望你很快就找到你的眼镜。
Yes, there is one.
是的，有一棵。