45

　　around the world in voice communications. You

　　46

　　see a war movie in which an airplane has been

　　47

　　by rocket fire. The pilot

　　48

　　his radio and calls “mayday, mayday, mayday” to tell people that his plane is in danger of

　　49

　　to the ground.

　　Mayday has

　　50

　　to do with the month of May.

　　51

　　, it comes from the French expressions “venez m’aider,” or “m’aidez”.The mayday call

　　52

　　was created by Frederick Stanley Mockford in 1923. Mockford,

　　53

　　was a senior radio officer at Croydon Airport in London, was asked to

　　54

　　a word that would indicate distress (遇难) and would easily be understood by all the pilots and ground staff in time of

　　55

　　. It was

　　56

　　much of the traffic at the time was between Croydon and Le Bourget Airport in Paris that he

　　57

　　the word “Mayday” from the French “m’aider” (venez m’aider ) meaning “come help me ”.

　　Today, many groups use the word to mean a

　　58

　　emergency. The call is always given three times to

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