sleeplessness

US 
UK 
  • n.失眠症
  • Web无眠;睡眠;缺乏睡眠
n.
1.
失眠症

Sample Sentence

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