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May Day

US [ˈmeɪˌdeɪ]
UK [ˈmeɪdeɪ]
  • n.【节】五一(国际)劳动节
  • Web五月天;求救;救难信号
Mayday
n.
1.
(船只或航空器遇险时用的国际无线电求救信号)an international radio signal used by ships and aircraft needing help when they are in danger

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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