smoke signal

US 
UK 
  • n.烟雾信号;(思想或行动的)标记
  • Web发烟信号;烟幕信号;信号烟雾
Plural Form:smoke signals  
smoke signal
n.
1.
烟雾信号a signal that is sent to sb who is far away, using smoke
2.
(思想或行动的)标记,迹象a sign of what sb is thinking or doing

Sample Sentence

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