英语词汇“graptolite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	graptolite
释义	grap·to·lite (grăptə-līt′) n. Any of numerous extinct colonial marine animals chiefly of the orders Dendroidea and Graptoloidea of the late Cambrian to the early Mississippian Periods, whose fossil remains are often used to date the rocks of the Silurian and Ordovician ages. [Greek graptos, written (from graphein, to write; see GRAPHIC) + -LITE (from the resemblance of the fossils' impressions on shale to markings on a slate).]
随便看	acquitter ACR acr- acr- acre Acre acreage acre-foot acre-inch acrid acridine acridity acridly acridness acriflavine acrimonious acrimoniously acrimoniousness prove proven provenance Provence provender provenience provenly

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