Epoch
01
时代, 纪元
a period of time in history or someone's life, during which significant events happen
例子
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
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
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。
