英语词汇“distress signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	distress signal
释义	distress signal n. An international signal used by a distressed ship or aircraft to request help.
随便看	lamelli- lamellibranch lamellicorn lamelliform lamely lameness lament lamentable lamentably lamentation lamented lamentedly lamenter lamer lamia lamin lamina laminal lamina propria laminar laminar flow laminaria laminarin laminate laminated

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