graptolite

名词 n.
中文释义
英 /ˈɡɹaptəlʌɪt/   

英文释义

名词 n.
  1. Any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina, from the Cambrian and Carboniferous periods.
    — The samples were black shale, and on the shales were some ancient fossils called graptolites.

词形变化

graptolites plural

词源

From Ancient Greek γραπτός (graptós, “painted, marked with letters”) + -lite.
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