短語詞組短語fall fall back on 求助於Fall off On 打開衰減fall down on rainfall 雨淋降落fall bak on 依靠fall back on experiments 求助於實騐fall back on upon 求助於Fall colors on campus 校園的鞦色fall down on stage 跌倒在舞臺上fall back on 求助於;借助於;依賴;依靠 返回 fall on