Pcd
abbr. 节圆直径（Pitch Circle Diameter）；巴拿马运河局（Panama Canal Department）
🗣️ 情景例句
Has poor voice, diction, grammar.
嗓音，措辞，语法很糟糕。
Shall we start the meeting now?
我们现在开始开会好吗？
We have five different ones.
五种