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
Hello. This is Richard Stewart.
你好， 我是Richard Stewart。
Can you afford the expense?
你出得起这笔费用吗？
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。