| 释义 |
eon (especially NAmE) (BrE usually aeon) BrE /ˈiːən/NAmE /ˈiːən/ noun(formal) an extremely long period of time; thousands of years 极漫长的时间；千万年(geology 地质学) a major division of time, divided into eras 宙（地质学上的年代分期，下分代）◆eons of geological history 数以亿万年计的地质史 |