distress-signal

英 [dɪst'ress'ɪɡnəl] 美 [dɪst'ress'ɪɡnəl]

• n. 遇险信号

distress-signal的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 distress signal:

1. an internationally recognized signal sent out by a ship or plane indicating that help is needed