A child's first sight of a reddleman was an epoch in his life.

一个孩子第一次亲眼看见红土贩子，会是他一生中难忘的日子。

The glacial epoch is over, so why is there ice everywhere?

冰川纪过去了，为什么到处都是冰凌？

We do not choose our historical epoch, the country of our birth, or the immediate circumstances of our upbringing.

无法选择出生的历史时期与国家，或是成长的周遭环境。

Humanity's impact has been so strong that scientists say a new geological epoch began then.

人类的影响如此之大，以至于科学家说，一个新的地质时代从此开始了。

The scientists call it the Anthropocene epoch.

科学家称之为“人类世”。

Sounds like you and the word " epoch" have a lot of catching up to do.

听起来你和 “纪元” 这个词要好好叙叙旧。

This epoch started sometime between 1950 and 1954, the scientists say.

科学家表示，这个时代开始于1950年到1954年之间的某个时候。

Theories vary in explaining what happened to the great predators of the Jurassic epoch.

解释侏罗纪时期了不起的掠食者消亡的理论各异。

The Anthropocene epoch shows the power — and hubris — of humankind, several scientists said.

一些科学家表示，人类世显示了人类的力量和傲慢。

Geologists measure time in eons, eras, periods, epochs and ages, with eons being the longest.

地质学家用宙、代、纪、世和期来衡量时间，宙是最长的。