distress call

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释义
求救电话
an internationally recognized signal sent out by a ship or plane indicating that help is needed

例句
Andy: He went to answer a distress call around 2 am. I thought it was a crank. (True Blood)
安迪：大约两点时有个求救电话打来，他去接警，我以为是神经病打来的。（真爱如血）