| 释义 |
epochBrE /ˈiːpɒk/NAmE /ˈepək/ noun (formal or literary) a period of time in history, especially one during which important events or changes happen 时代；纪元；时期 SYN era ◆The death of the emperor marked the end of an epoch in the country's history. 皇帝驾崩标志着该国历史上一个时代的结束。(geology 地质学) a length of time which is a division of a period 世（地质年代，纪下分世）◆geological epochs 地质世 |