Epoch
01
时代, 纪元
a period of time in history or someone's life, during which significant events happen
例子
The Renaissance was an epoch of great cultural and artistic achievements in Europe.
文艺复兴是欧洲伟大文化和艺术成就的一个时代。
For the scientist, the discovery of the new element marked the beginning of a revolutionary epoch in chemistry.
对科学家来说，新元素的发现标志着化学革命性时代的开始。
02
世, 时期
a subdivision of a geologic period, characterized by distinctive and globally recognizable rock layers, fossils, and significant changes in Earth's climate and biota
例子
Each epoch in Earth's history is defined by unique climate and life forms.
地球历史上的每个时期都是由独特的气候和生命形式定义的。
During the Holocene epoch, human civilization developed rapidly.
在全新世时期，人类文明迅速发展。
03
时代, 纪元
a fixed point in time used as a reference for recording astronomical data, such as the coordinates of celestial bodies
Specialized例子
The positions of stars are given relative to a standard epoch.
恒星的位置是相对于一个标准历元给出的。
Astronomers update catalogs each epoch to account for changes.
天文学家在每个历元更新星表以考虑变化。
