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 基本解释郵政信箱。同根派生 PO box相关词英汉例句noun [ C ]Write to PO box 123. 來信請寄123號郵政信箱。a PO box number 郵政信箱號PO box更多例句英英字典劍橋英英字典 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