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单词	graptolite
释义	graptolite noun grap·​to·​lite ˈgrap-tə-ˌlīt  : any of an extinct class (Graptolithina) of hemichordate colonial marine animals of the Paleozoic era with zooids contained in conical cups along a chitinous support Example Sentences Recent Examples on the Web Surrounding remains—fossils of tiny, extinct marine animals called graptolites and conodonts—served as biomarkers to help confirm when the early scorpions wandered the earth. Katie Camero, WSJ, 16 Jan. 2020 One of the most emblematic animals of the Ordovician Radiation is the now-extinct graptolite. Annalee Newitz, Ars Technica, 21 Nov. 2017 Word History Etymology Greek graptos painted (from graphein to write, paint) + English -lite — more at carve First Known Use 1841, in the meaning defined above
随便看	intradepartmental intradermal intradermal test intradermally intradisciplinary intradistrict intrado intrados intradoses intraer intraest intrafallopian intrafascicular intraformational intragalactic intragenerational intragenic intraglacial intragovernmental intragranular intrail intraimperial intraindustrial intraisland intrait

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