ADJ of, relating to, or belonging to the Simplicidentata, a former suborder including all the mammals now classified as rodents: used when lagomorphs were included in the order Rodentia 单门齿目的
N any animal of this type 单门齿动物
ADJ（形容词） of, relating to, or belonging to the Simplicidentata, a former suborder including all the mammals now classified as rodents: used when lagomorphs were included in the order Rodentia 单门齿目的
N（名词） any animal of this type 单门齿动物