古生代 Save Create a free account to save words gǔshēngdài ㄍㄨˇ ㄕㄥ ㄉㄞˋ 男 女 Paleozoic, geological era 545-250m years ago, covering Cambrian 寒武纪, Ordovician 奥陶纪, Silurian 志留纪, Devonian 泥盆纪, Carboniferous 石炭纪, Permian 二叠纪 Character by character 古(gǔ)ancient 生(shēng)grow 代(dài)generation Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0