epoch

英 [ˈiːpɒk]

美 [ˈepək]

n.  时代; 纪元; 时期; 世(地质年代，纪下分世)

复数：epochs　

CET6考研TOEFLIELTSGRETEM8

Collins.1 / BNC.15275 / COCA.12794

牛津词典

noun

• 时代；纪元；时期
  a period of time in history, especially one during which important events or changes happen
  1. The death of the emperor marked the end of an epoch in the country's history.
     皇帝驾崩标志着该国历史上一个时代的结束。
• 世（地质年代，纪下分世）
  a length of time which is a division of a period
  1. geological epochs
     地质世

柯林斯词典

• N-COUNT 时代;纪元
  If you refer to a long period of time as anepoch, you mean that important events or great changes took place during it.
  1. The birth of Christ was the beginning of a major epoch of world history.
     基督诞生是世界历史上一个重要纪元的开端。
• N-COUNT （地质中的）世，纪，期
  Anepochis a very long period of time in the earth's development, marked by particular physical or biological characteristics.
  1. Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
     在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。

英英释义

noun

• a unit of geological time that is a subdivision of a period and is itself divided into ages
• a period marked by distinctive character or reckoned from a fixed point or event
  Synonym:era
• (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
  Synonym:date of reference

双语例句

• It would mark a new era; it would make an epoch.
  这将标志一个新的纪元，这将创造一个新的时代。
• The book unaccountably marked an epoch in my young life.
  该书莫明其妙地成了我的童年生活中一个新时期的标志。
• This epoch describes humans'dominance of biological, chemical and geological processes on Earth.
  这个纪元描绘了人类对地球的生物、化学和地质过程的支配能力。
• His theory marked a new epoch in mathematics.
  他的学说标志着数学上的新纪元。
• It may be said, indeed, that this book marks an epoch in theological literature and doctrinal development.
  可以说，的确，这本书标志著一个划时代的，在神学和文学理论的发展。
• Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
  在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。
• Einstein's theory marked a new epoch in mathematics.
  爱因斯坦理论开创了数学的新纪元。
• We are entering upon a new epoch in the history of civilization.
  我们正进入（人类）文明史上的新纪元。
• J.H.Lambert initiated a new epoch in the theoretical cartography.
  兰伯特在理论制图学方面开创了一个新纪元。
• The October Revolution opened up a new epoch in world history.
  十月革命打开了世界历史的新纪元。