Afn
abbr. 平均故障数（average failure number）
🗣️ 情景例句
She said she'll call you later.
她说她等会儿给你电话。
Who loses liberty loses all.
失去自由即失去一切。
As soon as this was done, they cooked a meal over an open fire.
这件事刚刚做完，他们就在篝火上烧起了饭。