Pfa
abbr. 故障预警分析（Predictive Failure Analysis）；职业球员联盟（Professional Footballers' Association）；全氟烷氧基烷烃
🗣️ 情景例句
Philip, why don't you go
Philip 你何不去
Learning is better than house and land.
学问是一生的财富。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。