celestial sphere

US 
UK 
  • n.天体
  • Web天球;球面叫天球;天球星空
n.
1.
天体
un.
1.
天球

Sample Sentence

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