音标发音英式音标 [twen.tiˌfɔː.raʊə ˈklɒk]美式音标 [twen.t̬iˌfɔːr.aʊr ˈklɑːk]英式发音 美式发音 基本解释24小时制（而非12小时制）。同根派生 24-hour clock相关词英英字典剑桥英英字典 the system of using 24 numbers instead of twelve to refer to the hours in the day24-hour clock剑桥字典24-hour clock柯林斯字典