时代的近义词、同义词

an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

a period marked by distinctive character or reckoned from a fixed point or event

an era of history having some distinctive feature; "we live in a litigious age"

a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"

an era of existence or influence; "in the day of the dinosaurs"; "in the days of the Roman Empire"; "in the days of sailing ships"; "he was a successful pianist in his day"