每日口說挑戰空難電影必出現的「Mayday」到底是啥意思？答案超意外！ (Why Do Pilots Say "Mayday"? (It's Not What You Think))

Mayday is for grave and imminent danger, like a fire or dual engine failure.

Mayday is for grave and imminent danger, like a fire or dual engine failure.

Mayday is for grave and imminent danger, like fire or dual engine failure.