音标发音英式音标 [ˈbæk ˌstɔː.ri]美式音标 [ˈbæk ˌstɔːr.i]英式发音 美式发音 基本解释（電影或故事的）故事背景。同根派生 back story相关词英英字典劍橋英英字典 the things that have happened to someone before you first see or read about that person in a film or storyback story剑桥字典back story柯林斯字典