the Eocene epoch
基本解释
- 始新世
英汉例句
- Few or any anthropoids are known to have existed in Africa during this period, known as the Eocene epoch.
人们原先不知道在这个被称为“始新世”的时期，非洲有类人猿的存在。 - The microorganisms had lain dormant since the Eocene epoch, a time when Australia split off from Antarctica and modern mammals first appeared.
自始新世（5300-3650万年前）开始，它们便沉睡在化石之中，在那个时代，澳洲板块刚刚与南极板块分离，而现代哺乳动物刚刚开始出现。 - Dating from the Eocene Epoch, the crater is likely less than 50 million years old, but the impact bored into Proterozoic sandstones well over 500 million years old.
它形成于始新世，距今可能不到5000万年，但是撞击钻入的原生代砂岩都已经超过5亿年。 - Though the Cretaceous asteroid cleared the stage, mammals did not really get going until 10m years later, in the Eocene epoch.
ECONOMIST: A geological burp may have led to the dinosaurs’ domination