音标发音英式音标 [ˈkʌl.ə.fɑːst]美式音标 [ˈkʌl.ɚ.fæst]英式发音 美式发音 基本解释不变色的;不褪色的,不掉色的。同根派生 colour-fast相关词英英字典剑桥英英字典 If a piece of clothing or material is colour-fast, its colour will not change or lose brightness when it is washed.colour-fast剑桥字典colour-fast柯林斯字典