Epoch
01
시대, 기원
a period of time in history or someone's life, during which significant events happen
예시들
The Industrial Revolution was an epoch that transformed economies and societies around the world.
산업 혁명은 전 세계의 경제와 사회를 변화시킨 시대였습니다.
02
시대, 기
a subdivision of a geologic period, characterized by distinctive and globally recognizable rock layers, fossils, and significant changes in Earth's climate and biota
예시들
Geologists study rock layers from the Cambrian epoch to learn about early life.
지질학자들은 초기 생명에 대해 배우기 위해 캄브리아기의 암석 층을 연구합니다.
03
시대, 기원
a fixed point in time used as a reference for recording astronomical data, such as the coordinates of celestial bodies
예시들
Observations of the planet were recorded at the current epoch.
행성의 관측은 현재 시대에 기록되었습니다.



























