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(英國標準的)A5紙(14.8 x 21厘米)。同根派生 A5相关词英汉例句noun [ U ]a sheet of A5 一張A5紙A5 paper A5紙A5更多例句英英字典劍橋英英字典 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