Afr
[计] 容许故障率
🗣️ 情景例句
He lives alone
他一个人生活
If you trust before you try, you may repent before you die.
不试就相信，死前要悔恨。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。