air alert

US 
UK 
  • na.空袭警报(期间);【军】空中待机
  • Web空中警戒;空中待战;空中值班
na.
1.
空袭警报(期间)
2.
【军】空中待机

Sample Sentence

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