Assertion: bottlenose dolphin's flipper | /r/UsedFor | steering
Facets:
Source sentences:
text: The pectoral flippers (at the sides of the body) are for steering; they contain bones homologous to the forelimbs of land mammals.
text: The pectoral flippers (at the sides of the body) are for steering; they contain bones homologous to the forelimbs of land mammals.