fall-back

英['fɔːlb'æk] 美['fɔːlb'æk]
  • n.低效率运行;后退
  • fallen adj.落下的动词fall的过去分词.
  • hero n.英雄n.男主角;男主人公
名词 fallback:
  1. to break off a military action with an enemy

动词 fall back:
  1. fall backwards and down

  2. hang (back) or fall (behind) in movement, progress, development, etc.

  3. move back and away from

  4. retreat

  5. have recourse to

  6. go back to bad behavior