back curve

US 
UK 
  • un.后弧线
  • Web后踵曲线;背曲线;后跟弧度
un.
1.
后弧线

Sample Sentence

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