the oligocene中文,the oligocene的意思,the oligocene翻译及用法

2025-09-09 13:46 浏览次数 7

the oligocene

渐新统

the oligocene 例句

英汉例句

  • as in the oligocene before it, grasslands continued to expand and forests to dwindle in extent.

    在先前的渐新世,草地的面积增大,森林的面积减少。

  • it peaked in the oligocene epoch around 34 million years ago in eurasia, and again in the miocene epoch about 10 million years ago in eurasia and africa.

    而在大约3千4百万年前的渐新世的欧亚大陆上达到顶峰,在大约1千万年前中新世的欧亚大陆和非洲大陆又再次达到顶峰。

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