音标发音英式音标 [ˈəʊ.pən.tɒp]美式音标 [ˈoʊ.pən.tɑːp]英式发音 美式发音 基本解释敞篷的（小轿车或客车）。同根派生 英英字典剑桥英英字典 An open-top car, bus, etc. does not have a roof, or has a roof that you can fold back.