Afr
[计] 容许故障率
🗣️ 情景例句
I thought he was retired
我原以为他退休了
The worst misfortunes are these that never hzppen.
最大的不幸是害怕不会发生的不幸。
I told him the whole story. He laughed. You're great! I'm going to tell everyone.
我把整个事情都告诉了他。他笑了。“你真了不起！我要对大家说