Afn
abbr. 平均故障数（average failure number）
🗣️ 情景例句
Just try to be patient.
尽量耐心一点。
I've got news for you.
我要告诉你一个好消息。
She's not feeling well. I told her to stay in bed till tomorrow.
她感觉不好。我叫她在床上躺着，一直到明天。