epoch-主題

epoch

['i:pɔk]

n. 時期, 時代, 新紀元, 劃時代的大事, <地質>世

例句與用法：

The past epoch is gone, never to return.

過去的時代已經一去不復返了。

The teaching method marked a now epoch in education.

這種教學方法標誌著教育的新時代。

Einstein's theory marked a new epoch in physics.

愛因斯坦理論開創了物理學的新紀元。

英文解釋:

名詞 epoch:

a period marked by distinctive character or reckoned from a fixed point or event

同義詞：era

(astronomy) the precise date that is the point of reference for which information (as coordinates of a celestial body) is referred

同義詞：date of reference

a unit of geological time

以上來源於大辭典