a period marked by distinctive character or reckoned from a fixed point or event同义词:era
(astronomy) the precise date that is the point of reference for which information (as coordinates of a celestial body) is referred同义词:date of reference
a unit of geological time
例句
The past epoch is gone, never to return.过去的时代已经一去不复返了。
The teaching method marked a now epoch in education.这种教学方法标志着教育的新时代。
Einstein's theory marked a new epoch in physics.爱因斯坦理论开创了物理学的新纪元。
详细解释
ep.och n.(名词) A particular period of history, especially one considered remarkable or noteworthy.新纪元:历史的一段,尤指被认为值得注意的那部分值得纪念的事件A notable event that marks the beginning of such a period.See Synonyms at period 重要时期:标志着一个重要时期开始的重大事件参见 periodA unit of geologic time that is a division of a period.世:地理学中小于纪的时间单位Astronomy An instant in time that is arbitrarily selected as a point of reference.【天文学】 历元:被随机选作参考点的时间中的某一瞬间 来源:Medieval Latin epocha [measure of time] 中世纪拉丁语 epocha [时间单位] from Greek epokhô [a point in time] * see segh- 源自 希腊语 epokhô [时间中的一点] *参见 segh-