Cdr
abbr. 指挥员（Commander）；会长（commander）；交货收据（Cargo Delivery Receipt）
📖 牛津释义
Cdr
(also Cmdr), abbr 缩写 = Commander
Cdr (John) Stone （约翰）斯通指挥官.
🗣️ 情景例句
Hello, I wish to speak to Xiao Fu.
喂，我想和小付通话。
Tell me where I can post them.
请问，哪里有投信的邮筒？
We are good friends.
我们是好朋友。