Assertion: emperor penguin's flipper | /r/CapableOf | help to maintain their body balance
Facets:
Source sentences:
text: When the penguins are on land, the flippers and the tail helps them to maintain their body balance, and when they are in the water, the fins help them to swim.
text: When the penguins are on land, the flippers and the tail helps them to maintain their body balance, and when they are in the water, the fins help them to swim.