1·The reptilian brain is functioning on autopilot despite the permanent loss of other cortexes.
尽管其他皮质永久丧失，爬行动物的大脑仍在自动运行。
2·Their skulls, pelvises, and hind feet are reptilian.
它们的头骨、骨盆和后脚属于爬行动物。
3·It had feathers and other traits of living birds but also vestiges of a reptilian past, such as teeth in its mouth, claws on its wings, and a long, bony tail.
始祖鸟拥有羽毛，它身上既有现代鸟类的特征，也有远古爬行动物的痕迹，例如口中有牙齿，翅膀上有爪子，还有一条硕长的骨质尾巴。
4·Feathers in their most primitive form were single filaments, resembling quills, that jutted from reptilian skin.
最原始的羽毛是单纤维，类似于刚毛，从爬行动物的皮肤上突出来。
5·Skeptics have claimed that the structures were just shredded collagen fibers and that Sinosauropteryx had a smooth reptilian skin.
不过怀疑者声称这种结构不过是被撕碎的胶原纤维，而中华龙鸟有着光滑的爬行动物的皮肤。
1·Some ammonite fossils have tooth marks that look as though they were made by huge reptilian predators called mosasaurs.
有些鹦鹉螺化石上的齿痕看起来好像是由巨大的爬虫类捕食者沧龙留下的。
2·Some ammonite fossils have tooth marks that look as though they were made by huge reptilian predators called mosasaurs.
一些鹦鹉螺化石上有牙印，看上去仿佛是巨大爬虫类捕食者比如沧龙留下的。
3·More and more consumers gradually know and enter the world of reptilian pets. While enjoying the fun of feeding this kind of pet, they also improve the methods and techniques of feeding.
越来越多的消费者逐渐认识并进入了爬虫类宠物的世界当中，在享受饲养乐趣的同时，不断改进方法与技巧。