横向
1
Wild dog that hunts in packs
3
Slow-moving mollusk without a shell
4
Black big cat of the jungle
5
Wild dog-like animal of North America
7
Burrowing mammal with poor eyesight
9
Largest mammal in the ocean
纵向
1
Australian burrowing marsupial
2
Tallest living animal on Earth
6
Intelligent marine mammal
8
King of the jungle