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
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
Don't worry.
不要担心。
In spite of this, many people are confident that 'The Revealer' may reveal something of value fairly soon.
尽管如此，很多人仍然相信“探宝器”很快就会探出值钱的东西来。