ceratopsian 的定义
- any of several four-footed, herbivorous dinosaurs of the suborder Ceratopsia, of the late Cretaceous Period, having an enlarged skull with a beak, a large perforated frill at the back, and, in some species, one or three horns.
📖毕业后词汇角龙人角龙角龙族角龙类