- an international radio distress signal used by ships and aircraft（轮船和飞机用的）国际无线电呼救信号。
- a distress signal using the word 'Mayday'遇难求救信号。
词源
1920s: representing a pronunciation of French m'aider, from venez m'aider 'come and help me'.
| 单词 | Mayday |
| 释义 |
词源 1920s: representing a pronunciation of French m'aider, from venez m'aider 'come and help me'. |
| 随便看 |
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