音标发音英式音标 [ˌeɪˈtiːn]美式音标 [ˌeɪˈtiːn]英式发音 美式发音 基本解释（依照英国法律）18 岁以下儿童及未成年人士不得观看的电影之标志。同根派生 18相关词英英字典剑桥英英字典 in the UK, a symbol used to mark a film that cannot be legally watched by children who are under 18 years old18剑桥字典18柯林斯字典