Word data
HSK
Not in HSK
FREQUENCY
Unknown
古生代 gǔ shēng dài
Paleozoic era in Earth’s history
Word data
| HSK | Not in HSK |
| Frequency | Unknown |
Definitions
- 1. Paleozoic, geological era 545-250m years ago, covering Cambrian 寒武纪hán wǔ jì, Ordovician 奥陶纪ào táo jì, Silurian 志留纪zhì liú jì, Devonian 泥盆纪ní pén jì, Carboniferous 石炭纪shí tàn jì, Permian 二叠纪èr dié jì