弘扬国学 · 传承文化

Eocene

英 ['i:əusi:n] 美

解释

adj. 始新世的；第三纪下层的
n. 始新世；第三纪下层

※ 提供单词"Eocene"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

英文词源

Eocene (adj.): in reference to the second epoch of the Tertiary Period, 1831, from eo- "earliest" + Latinized form of Greek kainos "new" (see recent). Coined in English (along with Miocene and Pliocene) by the Rev. William Whewell (1794-1866), English polymath, and meant as "the dawn of the recent." As a noun from 1851.

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例句和用法

1. The funnel - shaped self - potential curve of the Eocene sands is well marked.: 始新统砂层的漏斗形自然电位曲线形态很明显.

2. These showed an evolution of increasing diversity through to the Eocene.: 一直到始新世,生物多样性都在不断地提高.

3. Those correspond to Quaternary , Pliocene , Upper Miocene, Lower Miocene and Eocene respectively.: 分别为第四系、上新统、中新统上段、中新统下段及始新统.

4. There are four hydrocarbon source rocks, Palaeocene, Eocene, Oligocene and Miocene.: 西湖凹陷发育古新统、始新统、渐新统及中新统四大烃源岩系.

5. Paleogene Oligocene Linhe formation ( E _ 3 J ) and Eocene Wulate formation ( E _ 2 wl ).: 下第三系渐新统临河组 ( E_3l ),始新统乌拉特组 ( E_2wl ).