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
Oh, yeah?
噢 ，做什么？
He who wants a mule without fault, must walk on foot.
如要骡子无缺点，只有自己徒步行。
'Do you always catch such an early train?' asked the inspector.
“您总是赶这样早的火车？”探长问。