音标发音英式音标 [ˈpiː.əʊ ˌbɒks]美式音标 [ˈpiː.oʊ ˌbɑːks]英式发音 美式发音 基本解释邮政信箱。同根派生 PO box相关词英汉例句noun [ C ]Write to PO box 123. 来信请寄123号邮政信箱。a PO box number 邮政信箱号PO box更多例句英英字典剑桥英英字典 a box with a number in a post office to which your letters and parcels can be sent and from which you can collect themPO box剑桥字典PO box柯林斯字典