A signal fire might attract rescuers.
信号火光会把救援的人引来。
They will fire off a signal flare.
他们将发射一枚信号弹。
According to this model, a fire signal detection system is designed.
利用该模型，设计了一种多元火灾信号探测系统。
Ordered to fire a Gun as a Signal of Distress.
船长就下令放一枪，作为求救的信号。
Ordered to fire a Gun as a Signal of Distress.
船长就下令放一枪，作为求救的信号。
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