| 释义 |
- n.极漫长的时期；千万年；宙（地质学上的年代分期，下分代）
- abbr.“eon”的变体(=eon)
- 网络永旺；日本永旺；宏佳腾
1. | 极漫长的时期；千万年an extremely long period of time; thousands of years |
2. | 宙（地质学上的年代分期，下分代）a major division of time, divided into eras |
| aeons of geological history 数以亿万年计的地质史 |
n. | 1. a division of geological time comprising two or more eras 2. a period of time that is boringly or dishearteningly long |
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