air sac

US 
UK 
  • un.肺泡
  • Web气囊;气室;气囊数量
un.
1.
肺泡

Sample Sentence

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