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。Mayday! Mayday! - All right now, everybody, get in crash positions!救命! 救命! - 好的,现在, 所有人, 做好坠机姿势!That's the p...

n.（船只或飞机发出的）无线电求救呼号，无线电话中求救信号...

Mayday的音标：Mayday的英式发音音标为：['meɪdeɪ]Mayday的美式发音音标为：['meɪdeɪ]...