fallen back on
美英
- na.退守；投靠
第三人称单数：falls back on 现在分词：falling back on 过去式：fell back on 过去分词：fallen back on
fallen back on1
fallen back on第三人称单数：falls back on 现在分词：falling back on 过去式：fell back on 过去分词：fallen back on
fallen back on