| 单词 | eras | 
| 释义 | era1 of 2noun   ˈer-ə   ˈe-rə,  ˈir-ə 1   a     : a fixed point in time from which a series of years is reckoned    b     : a memorable or important date or event    especially : one that begins a new period in the history of a person or thing   2    : a system of chronological notation computed from a given date as basis   3   a     : a period identified by some prominent figure or characteristic feature  the era of the horse and buggy    b     : a stage in development (as of a person or thing)    c     : a large division of geologic time usually shorter than an eon  Paleozoic era   ERA 2 of 2abbreviation1    earned run average   2    Equal Rights Amendment   eras nounas in ages   an extent of time associated with a particular person or thing the introduction of the mass production of cars on an assembly line ushered in the era of the automobile   Synonyms & Similar Words Relevance     
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