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
Carl will be perfectly fine after we remove his tonsils.
切除扁桃腺之后，Carl会完全恢复健康的。
This square table is good.
这张方桌很不错。
The doctors have not yet decided how the woman died.
医生们至今还未确定这位妇女的死因。