〈地〉志留纪的英释中释adjof, denoting, or formed in the third period of the Palaeozoic era, between the Ordovician and Devonian periods, which lasted for 25 million years, during which fishes first appeared
1 silurian system,志留系
2 silurian period,[地]志留纪
更新时间:2025-04-04 03:56:42