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      warning signal
      
                    
      
                
      
                
                
      
                
      warning signal是什么意思、warning signal怎么讀
      
                
      
                    
      warning signal漢語翻譯
      
                    
      【計(jì)】 報(bào)警信號(hào)
      
                
      
                
                
                
      warning signal英語解釋
      名詞 warning signal:
      1. an automatic signal (usually a sound) warning of danger
        同義詞：alarm, alert, alarum
      
                
      warning signal例句
      1. A colored flare used as a warning signal for trucks and railroad trains.
        信號(hào)火一種為卡車或火車作警告信號(hào)的有色火焰
      
                
            
      
            
      
                
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