音标发音英式音标 [ˈstep ˌtʃeɪndʒ]美式音标 [ˈstep ˌtʃeɪndʒ]英式发音 美式发音 基本解释堦躍變化,步進變化(在某一侷勢下,比常槼大得多的變化)。同根派生 step change相关词英汉例句noun [ C ]There is a step change taking place in communications technology. 通訊技術取得了較大的變化。step change更多例句英英字典劍橋英英字典 a change in a situation that is much bigger than usualstep change剑桥字典step change柯林斯字典