Assertion: river dolphin | /r/HasAspect | well-developed hearing
Facets:
Source sentences:
text: They have well-developed hearing that is adapted for both air and water; they do not really rely on vision since the water they swim in is usually very muddy.
text: They have well-developed hearing that is adapted for both air and water; they do not really rely on vision since the water they swim in is usually very muddy.