基本解釋[動(dòng)力與電氣工程]死信箱[計(jì)算機(jī)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(zhuān)業(yè)釋義動(dòng)力與電氣工程死信箱計(jì)算機(jī)科學(xué)技術(shù)死信箱