音标发音英式音标 [ˌeɪˈfaɪv]美式音标 [ˌeɪˈfaɪv]英式发音 美式发音 基本解释(英国标准的)A5纸(14.8 x 21厘米)。同根派生 A5相关词英汉例句noun [ U ]a sheet of A5 一张A5纸A5 paper A5纸A5更多例句英英字典剑桥英英字典 in the UK, paper that is a standard size of 14.8 centimetres by 21 centimetresA5剑桥字典A5柯林斯字典