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单词
distress signal
释义
distress signal
n.
(名词)
An international signal used by a distressed ship or aircraft to request help, as by radio broadcasts, flags, or flares.
遇难(呼救)信号:处于险境中的船只或飞行器,如通过无线电广播、旗帜或照明弹来呼救的国际通用信号
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更新时间:2025/6/21 5:52:39