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。
柯林斯例句
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!
互联网
That's the purpose of MayDay – a grassroots effort whose goal is to save our archives.
这就是灾难救援——一种草根力量,其目标就是拯救我们的档案.
互联网