epoch
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'i:pɒk
n. 名词 新纪元, 时代, 时期
词频排名：12794
BNC 词频：15275
柯林斯星级：1/5
📖 词典释义
1
n. 名词
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
历元
2
n. 名词
a unit of geological time that is a subdivision of a period and is itself divided into ages
时期；纪元
词性说明：n.=名词，v.=动词，vt.=及物动词，vi.=不及物动词，adj.=形容词，adv.=副词，prep.=介词，conj.=连词，pron.=代词，num.=数词，art.=冠词，int.=感叹词
🔁 词形变化
复数
epochs
💬 常用例句
That was the happiest epoch of my life.
His description of the epoch is fascinating.
His description of that epoch is fascinating.
例句来自 Tatoeba 语料（CC BY 2.0 FR），中文释义为参考翻译。
💡 学习提示
“epoch” 属于非词根单词，不在 25 个核心词根体系内，但同样是高频常用词。 想从零系统学习词根？试试 零基础入门教程， 或浏览全部词根。