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Hadean的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
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the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
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of or relating to or characteristic of Hades or Tartarus
