| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ar•cho•saur (är′kə sôr′),USA pronunciation n. - Paleontology, Reptilesany reptile of the subclass Archosauria, including the dinosaurs, pterosaurs, and crocodilians and characterized by two pairs of openings in the temporal region of the skull.
- Neo-Latin Archosaurus, taken as singular of Archosauria, equivalent. to Greek archo-, combining form of archós ruler, chief + saûr(os) -saur + Neo-Latin -ia -ia
- 1965–70
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