| 释义 |
〔pachycephalosaur〕Any of various medium-sized herbivorous dinosaurs of the genusPachycephalosaurus of the late Cretaceous period of North America, having a beaked mouth, rows of bumps on the head, and a domed skull up to ten inches (25.4 cm) thick. 厚头龙：白垩纪晚期厚头龙 属几种中型食草恐龙，嘴部似鸟啄，头部有几排肿块，穹顶状头骨约10英寸（25.4公厘）厚 〔crowfoot〕Any of several other plants having leaves or other parts somewhat resembling a bird's foot.似鸟蹼植物：任一种叶子或其它部位象鸟蹼的其它植物 |