横向
1
Primate closest to humans
4
Large reptile found near rivers
7
Tallest living animal on Earth
纵向
2
Clawed sea crustacean
3
Largest mammal in the ocean
5
Fish that swims upstream to spawn
6
Largest living primate
8
Australian marsupial that eats eucalyptus
9
Slow-moving reptile with hard shell