中文来自 ECDICT
- n.
- 时代，纪元，时期
演变路径（由近及远）
- 英语
- 借自 ←晚期拉丁语 aera
词源说明
Borrowed from Late Latin aera.
释义（英文）
名词 Noun
- A time period of indeterminate length, generally more than one year.
- (geology) A geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.
- (informal) An indefinite period of time in one’s life characterized by a particular interest.