noun🔗Share犬齿兽，犬齿兽类 Any of several small carnivorous synapsids in the clade Cynodontia, ancestral to mammals and extinct close relatives."Scientists study fossils of the cynodont to understand the evolutionary link between reptiles and early mammals. "科学家们研究犬齿兽的化石，以了解爬行动物和早期哺乳动物之间的进化联系。animalbiologysciencehistoryorganismChat with AIVocabulary GamePractice Reading
