Pcd
abbr. 节圆直径（Pitch Circle Diameter）；巴拿马运河局（Panama Canal Department）
🗣️ 情景例句
I'm delighted to make your acquaintance.
认识你我觉得非常高兴。
Hide one's talents in a napkin.
埋没自己的才能。
We had spent several days in a small town and visited a number of old churches in the vicinity.
我们在一座小镇上逗留了几天，参观了附近的许多古老的教堂。