post office box英 [ˈpəʊst ɒfɪs bɒks]美 [ˈpoʊst ɑːfɪs bɑːks]n. (邮局里的)邮政信箱计算机经济柯林斯词典(邮局里的)邮政信箱Apost office boxis a numbered box in a post office where a person's mail is kept for them until they come to collect it.双语例句