Pcd
abbr. 节圆直径（Pitch Circle Diameter）；巴拿马运河局（Panama Canal Department）
🗣️ 情景例句
Hi, Peter.
彼得，你好。
When would you like to leave?
你要什么时间离开呢？
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。