a period of time in history or a person's life, typically one marked by notable events or particular characteristics
时期;时代
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the Victorian epoch .维多利亚时代。
the beginning of a distinctive period in the history of someone or something
新纪元,新时期。
【地质】 世
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the Pliocene epoch .上新世。
【天文】 历元。
"early 17th cent. (in the Latin form