single well

US 
UK 
  • un.单井
  • Web单梯井道;电梯井道;单阱
un.
1.
单井

Sample Sentence

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