greenbacks is greenback's Plural Form

greenback

US [ˈɡrinˌbæk]
UK [ˈɡriːnˌbæk]
  • n.美钞;绿色纸币
  • Web林肯绿币;绿背;绿背纸钞
Plural Form:greenbacks  
n.
1.
美钞
2.
绿色纸币

Sample Sentence

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