circulating system

US 
UK 
  • un.循环系统;环流系统
un.
1.
循环系统
2.
环流系统

Sample Sentence

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