成鐵紀
Chinese
finish; complete; accomplish finish; complete; accomplish; become; turn into; win; succeed; one tenth | iron | period | ||
---|---|---|---|---|
trad. (成鐵紀) | 成 | 鐵 | 紀 | |
simp. (成铁纪) | 成 | 铁 | 纪 |
Pronunciation
Proper noun
成鐵紀
- (geology) the Siderian period (part of the Paleoproterozoic era, spanning from 2.5 to 2.3 billion years ago)