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成鐵紀

From Wiktionary, the free dictionary

Chinese

[edit]
finish; complete; accomplish
finish; complete; accomplish; become; turn into; win; succeed; one tenth
 
iron period
trad. (成鐵紀)
simp. (成铁纪)

Pronunciation

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Proper noun

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成鐵紀

  1. (geology) the Siderian period (part of the Paleoproterozoic era, spanning from 2.5 to 2.3 billion years ago)