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单词
distress signal
释义
distress signal
(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]
(病人等的)危急求救信号(或呼号)
(尤指不用语言传达的)求援信号
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更新时间:2025/1/9 23:07:49