maydays

英 [ˈmeɪdeɪz] 美 [ˈmeɪdeɪz]

n.  船只或飞行器遇险时用的国际无线电求救信号
Mayday的复数



柯林斯词典

  1. N-COUNT (飞机或船只遇险时发出的)无线电呼救信号
    If someone in a plane or ship sends out a Mayday or a Mayday message, they send out a radio message calling for help because they are in serious difficulty.
    1. He raced to pick up the lifejackets while his stepmother sent out a Mayday call.
      他的继母发出无线电求救信号的时候,他飞跑着去拿救生衣。
  2. (无线电求救信号中的求救内容)“求救!求救!”
    'Mayday! Mayday!' is the phrase that is used in Mayday messages to indicate that help is needed.

    双语例句

    1. Occurring law of bipolarize maydays of summer corn
      夏玉米小斑病发生规律研究