aeon
noun (British English)(North American English or specialist eon)
- (formal)
an extremely long period of time; thousands of years 极漫长的时期；千万年 Only yesterday—and it seemed aeons ago, not just a few hours—he had been a happily married man. 就在昨天——似乎是几个世纪前，而不仅仅是几个小时前——他还是一个婚姻幸福的人。
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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） aeons of geological history 数以亿万年计的地质史 These hills have been worn down over aeons of geological time. 这些山丘经过漫长的地质时期已经侵蚀得很厉害。
Word Originmid 17th cent.: via ecclesiastical Latin from Greek aiōn ‘age’.