falling back is fall back's Present Participle

fall back

US 
UK 
  • na.撤退;退路;后备物
  • Web可放下的;却又后退;向后跌倒
Simple Present:falls back  Present Participle:falling back  Past Tense:fell back  Past Participle:fallen back  
na.
1.
撤退;退路
2.
后备物

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard