distress signal
distress signal是什么意思、distress signal怎么读
【电】 呼救信号
distress signal汉语翻译
【电】 呼救信号
distress signal英语解释
名词 distress signal:
- an internationally recognized signal sent out by a ship or plane indicating that help is needed同义词：distress call
distress signal例句
- Send out a distress signal; the ship is sinking.船正在下沉，发遇险信号吧。