单词乎

distress signal

汉语翻译

【电】 呼救信号

英语解释

名词 distress signal:

  1. an internationally recognized signal sent out by a ship or plane indicating that help is needed
    同义词:distress call

例句

  1. Send out a distress signal; the ship is sinking.
    船正在下沉,发遇险信号吧。
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