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单词库 \ 英汉词典 \

epoch是什么意思

epoch

英[ˈiːpɒk] 美[ˈepək]

n. 时代，纪元，〈地质〉世，期；

复数：epochs;

相关单词 epochal epochmaking epochs glacial epoch new epoch Recent epoch the end of an epoch the Eocene epoch

同义词

n.
epoch的同义词之：时代
age era period
epoch的同义词之：其他释义
day age era period time

同义词解析

以下这些名词均包含 "时期，时代" 的意思
age ：常指具有显著特征或以某杰出人物命名的历史时代或时期。
epoch ：正式用词，侧重指以某重大事件或巨大变化为起点的新的历史时期。
era ：书面语用词，指历史上的纪元、年代，可与epoch和age互换，侧重时期的延续性和整个历程。
period ：最普通用词，概念广泛，时间长短不限，既可指任何一个历史时期，又可指个人或自然界的一个发展阶段。
times ：侧重某一特定时期。

柯林斯高阶英汉双解学习词典释义

N-COUNT

时代;纪元

If you refer to a long period of time as an epoch, you mean that important events or great changes took place during it.
例句
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

An epoch is a very long period of time in the earth's development, marked by particular physical or biological characteristics.
例句
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。

英汉词典释义

n.
纪元, 时期, 时代
We're at the end of the historical epoch, and at the dawn of another. 我们正处在一个历史时代的末期, 另一个历史时代的开端。
世

英英词典释义

Noun
1. a period marked by distinctive character or reckoned from a fixed point or event
2. (astronomy) the precise date that is the point of reference for which information (as coordinates of a celestial body) is referred
3. a unit of geological time

行业词典

地质学：世；
天文学：历元；作为时间参考标准的一个特定瞬时。；

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