英语词汇“dead letter box, dead letter drop”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	dead letter box, dead letter drop
释义	dead letter box, dead letter drop 密件投递处；秘密信件约定存取点；机密文件等的秘密交接地点；“死信箱”
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