Pcd
abbr. 节圆直径（Pitch Circle Diameter）；巴拿马运河局（Panama Canal Department）
🗣️ 情景例句
Hi, John, how's it going?
嗨，约翰，你好吗？
Should I go this way,or that way?
我应该这样去,还是那样？
Is the cut still painful?
伤口还在痛吗？