延展紀
Chinese
to stretch out; to extend | period | ||
---|---|---|---|
trad. (延展紀) | 延展 | 紀 | |
simp. (延展纪) | 延展 | 纪 |
Pronunciation
Proper noun
延展紀
- (geology) the Ectasian period (part of the Mesoproterozoic era, spanning from 1.4 to 1.2 billion years ago)