音标发音英式音标 [ˈmeɪ.deɪ]美式音标 [ˈmeɪ.deɪ]英式发音 美式发音 基本解释（船衹、飛機發出的）無線電求救信號。同根派生 Mayday相关词英英字典劍橋英英字典 a special radio signal sent from a ship or an aircraft when it needs helpMayday剑桥字典Mayday柯林斯字典