短語詞組短語whistle signal detail 歗聲信號(hào)Signal Whistle 德軍的信號(hào)口哨;信號(hào)汽笛;信號(hào)風(fēng)笛;信號(hào)笛single signal whistle 單信號(hào)哨叫THE SIGNAL WHISTLE IN USE 信號(hào)口哨的使用signal l whistle 信號(hào)汽笛 返回 whistle signal