Afn
abbr. 平均故障数（average failure number）
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
Oh,I just remembered something!I have to apply for a passport.
哦,我就记得了一些东西!我要申请一本护照。
How about a drink tonight?
今晚喝一杯怎样？