by four legs but it is really slow
It means something that makes travel difficult. Like mountains or a fast river. Or you have no legs, or you are four years old, or you have four small children. Or no money.
Answer: They push themselves along on their four legs, hauling their large shells.
a turtle
mice have 4 legs :) look on google at pictures of them :p
If you mean by that centipedes travel using their legs, then the short answer is yes.
Animals with amputated legs, which leaves them with 3 legs, tend to be more weak than anamals with four legs are
they have paws. their front paws have 4 claws.
Alligators have four legs and four feet.
A quadruped. Humans are bipeds (2 legs).
No, a gecko has four legs.
Chicks have four limbs, two legs and two wings.