单词 | Protodonata |
释义 | Protodonataplural noun Prot·odonata (¦)prōt+ : an order of extinct insects related to the Odonata, known mainly from the Upper Carboniferous and Permian, and characterized by a full but specialized venation with numerous crossveins protodonatan -tən protodonate (ˈ)prōt+ |
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