N any marsupial of the group or suborder Diprotodontia, including kangaroos, phalangers, and wombats, having fewer than three upper incisor teeth on each side of the jaw 双门齿型有袋动物 → compare polyprotodont
diprotodont detail双门牙型
N（名词） any marsupial of the group or suborder Diprotodontia, including kangaroos, phalangers, and wombats, having fewer than three upper incisor teeth on each side of the jaw 双门齿型有袋动物 → compare polyprotodont