音标发音英式音标 [ˈnʌk.əlˌdʌs.tər]美式音标 [ˈnʌk.əlˌdʌs.tɚ]英式发音 美式发音 基本解释n.指节铜套同根派生 英英字典剑桥英英字典 a metal weapon that is worn over the knuckles and is intended to increase the injuries caused when hitting a person