早奧陶世

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Chinese

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early; morning the Ordovician epoch
trad. (早奧陶世) 奧陶
simp. (早奥陶世) 奥陶

Pronunciation

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Proper noun

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早奧陶世

  1. (geology) the Early Ordovician epoch (part of the Ordovician period, spanning from 485.4 to 470 million years ago)