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aeon

noun
🔊/ˈiːən/, 🔊/ˈiːɒn/
🔊/ˈiːən/, 🔊/ˈiːɑːn/
 (British English)
(North American English or specialist eon)
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  1. (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.只是昨天-似乎是在不久以前，而不仅仅是几个小时-他是一个幸福的已婚男人。
    Topics Timec2
  2. (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。
    3. Word Originmid 17th cent.: via ecclesiastical Latin from Greek aiōn ‘age’.