SilurianWiktionary 原文中文来自 ECDICTadj.〈地〉志留纪的构词拆分Silurēs词根/词干拉丁语+-ian后缀(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From Latin Silurēs + English -ian.释义（英文）形容词 Adjective(geology) Of a geologic period within the Paleozoic era; comprises the Llandovery, Wenlock, Ludlow and Pridoli epochs