ediacaran

ediacaran什么意思,ediacaran翻译

基本解释

网络: 埃迪卡拉纪；埃迪卡拉系；埃迪卡拉世

例句

• Despite the first boost in diversity, however, the Ediacaran creatures all but vanished before the Cambrian explosion that followed.

  尽管在生物多样性上有了首次推进，然而，震旦纪的所有生物都在随之而来的寒武纪爆炸前全部消失。

• A key requirement for larger creatures is oxygen, and the dramatic history of oxygen levels is also etched in Ediacaran rocks.

  体型更大的生物生存的关键因素是氧气，氧含量的变化史也刻在了埃迪卡拉岩石群上。

• The Ediacaran fossil record thus stretches the origins of animals to well before the Cambrian Explosion.

  埃迪卡拉化石的发现，将动物的形成时间从寒武纪又推早了不少。

• The Ediacaran fossils tell us that Darwin was being too generous.

  而埃迪卡拉化石告诉我们，达尔文太“慷慨”了。

• The Ediacaran Period, from 635 to 542 million years ago, is the first new geological period to be named in more than a century.

  埃迪卡拉纪从六亿三千五百万年前持续到五亿四千二百万年前，是近一个多世纪以来科学家命名的第一个新的地质时期。

• The Ediacaran fauna were the first large complex life forms to appear.

  埃迪卡拉纪动物群是出现的第一种大型的结构复杂的生命形式。

• Trace Fossils from the Lower Member and the Lower Upper Member of the Ediacaran Doushantuo Formation at Weng"an, Guizhou, China

  贵州瓮安埃迪卡拉系陡山沱组上段底部和下段的遗迹化石