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
Oh, who could that be?
啊，这会是谁呢？
He must have three more weeks of rest before he is released.
他在出院以前，还需要三周时间的静养。
Can I have the key to the front door please?
我能带上前门的钥匙吗？