单词ichthyosaurus
n.: = ichthyosaur网络: 鱼龙;鱼龙属;余龙
鱼龙属
Others, like Ichthyosaurus (fish lizard), look similar[2] to dolphins, but were reptiles not mammals.
其他动物,比如鱼龙看似海豚,实际上不是哺乳类,而是爬行类。