| 单词 | Synapsida |
| 释义 | synapsid /si-napˈsid/nounA member of the Synapˈsida, a class of mammal-like reptiles of the Carboniferous, Permian and Triassic periods having a single pair of lateral temporal openings in the skull (also adjective) ORIGIN: New L Synapsida, from Gr syn together, and apsis arch or vault |
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