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单词 Hadean
释义

Hadean

adjective

Ha·​de·​an ˈhā-ˌdē-ən How to pronounce Hadean (audio)
hā-ˈdē-ən
: of, relating to, or being the eon of history between the formation of the solar system and the formation of the first rocks on the earth see Geologic Time Table
Hadean noun

Word History

Etymology

Hades

First Known Use

1984, in the meaning defined above

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更新时间:2024/12/23 16:28:40