sinus

US [ˈsaɪnəs]
UK ['saɪnəs]
  • n.窦;窦道
  • Web鼻窦;静脉窦;窦房结
Plural Form:sinuses  
Sinus
n.
1.
窦;窦道any of the hollow spaces in the bones of the head that are connected to the inside of the nose
blocked sinuses
窦性传导阻滞

Sample Sentence

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