Smf
abbr. 系统管理程式（system management facilities）
🗣️ 情景例句
You won't believe what Tome just told me.
汤姆刚才告诉我的事会吓你
When you're down and blue, go to a comedy.
你灰心丧气的时候，去看看喜剧。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。