音标发音英式音标 [ˈdaɪ.ə.lɪŋ ˌkəʊd]美式音标 [ˈdaɪ.ə.lɪŋ ˌkoʊd]英式发音 美式发音 基本解释（电话）区号。同根派生 英英字典剑桥英英字典 a series of numbers used before the main phone number when you call someone outside your own town or area