单词 | 信号火 |
释义 | 〔beacon〕A signal fire, especially one used to warn of an enemy's approach.烽火:信号火,尤指警告敌人接近的〔fusee〕A colored flare used as a warning signal for trucks and railroad trains.信号火:一种为卡车或火车作警告信号的有色火焰 |
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