Apf
abbr. 动物蛋白因子（animal protein factor）；精确测位雷达（Accurate Position Finder）；纸张精轧机协会（Association of Paper Finishers）
🗣️ 情景例句
You must be excited.
您一定很兴奋。
Reckless youth makes rueful age.
虚度青春，悔恨无已。
Thanks.The same to you. Bye.
谢谢。也祝你旅途愉快！