基本解釋[動力與電氣工程]死信箱[計算機科學(xué)技術(shù)]死信箱英英字典柯林斯英英字典 a place where messages and other material can be left and collected secretly without the sender and the recipient meeting dead-letter box劍橋字典dead-letter box柯林斯字典專業(yè)釋義動力與電氣工程死信箱計算機科學(xué)技術(shù)死信箱