epoch
noun [ C ] uk/ˈiː.pɒk/ us/ˈep.ək/ epochs
（尤指出现新进步和大变革的）时代，纪元，时期
a long period of time, especially one in which there are new developments and great change
The president said that his country was moving into a new epoch, which would be one of lasting peace. 总统称他的国家正在步入一个长治久安的新时代。
- More examples
- "What marks our epoch," he says, "is the movement of people around the world."
- Most modern journalism falls short of the great polemicists of other epochs.
- Thanks to modern technology a new epoch has begun.
- Popular culture and a growing number of scientists use the term "Anthropocene" to label the epoch in which we are currently living.
- The Holocene is the most recent of the two geological epochs of the Quaternary period.