respiratory system

US 
UK 
  • un.呼吸系统
  • Web呼吸系统疾病;强化呼吸系统;呼吸系统用药
un.
1.
呼吸系统

Sample Sentence

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