英语单词“distress signal”的翻译、意思、用法、释义-英汉词典

单词	distress signal
释义	distress signal1.■(遇难船只或飞机等发出的)求救信号，遇难(呼救)信号(如SOS)[参较distress call]2.■(病人等的)危急求救信号(或呼号)3.■(尤指不用语言传达的)求援信号
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