Pfd
abbr. 程序流程图（Process Flow Diagram）；主飞行显示（Primary Flight Display）；个人漂浮设备（Personal Flotation Device）
🗣️ 情景例句
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
Many one says well that thinks ill.
口蜜腹剑者不乏其人。
This is a telephone with a tape recorder.
这是一台带有磁带录音机的电话。