单词	Petricola
释义	Petricola noun Pe·​tric·​o·​la pə̇‧ˈtrikələ : a genus (the type of the family Petricolidae) of bivalve mollusks living in holes that they excavate in rocks, clay, or mud and having an oval shell slightly gaping behind, a large mantle, and a small foot Word History Etymology New Latin, from petr- + -cola
随便看	protoderm protoderms Protodonata protodonatan protodonate protodynastic protoenstatite protoer protoest protofascism protofascist protogalaxies protogalaxy Protogasteraceae Protogastrales protogenal protogene protogenesis protogenetic protogenic protogeometric protogine protograph protogyne protogynic

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