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
What subject did you major in university?
你在大学主修的科目是什么？
East or west, home is best.
在家千日好，出门时时难。
It seemed that one bee was able to communicate the news of food to other bees in its hive.
似乎一只蜜蜂能够把食物的信息传递给蜂箱里的其他蜜蜂。