Afn
abbr. 平均故障数（average failure number）
🗣️ 情景例句
Well, I guess. He does look a lot like Richard,
嗯 ，有点像。他确实很像Richard。
They that marry in green, their sorrow is soon seen.
过早地结婚，不久必悔恨。
But they still put their stockings at the end of their beds.
但他们仍然把自己的长统袜挂在床脚边。