单词	sky marshal
释义	sky marshal noun : an armed federal officer in plain clothes who is assigned to prevent skyjackings : air marshal sense 2 Word History First Known Use 1964, in the meaning defined above
随便看	didn't have the heart didna dido didodecahedron didoes didos Didot didrachm didrachma didrachmal didrachmas didrachmon didrachmons didrachms didric didst diduce diduction diductor Didus didy didym- didymate didymium didymiums

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