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
Thanks for your help! Keep the change.
多谢你帮忙， 不用找了。
Every one's faults are not written in their foreheads.
知人知面不知心。
I got a bad headache, and my nose is running.
我头痛得厉害，还流鼻涕。