Assertion: dolphin's fat | /r/HasProperty | blubber
Facets:
Source sentences:
text: Seals possess a thick layer of fat (blubber) below the skin, which provides insulation, acts as a food reserve, and contributes to buoyancy.
text: The body is wrapped in a thick layer of fat, known as blubber, used for thermal insulation and gives cetaceans their smooth, streamlined body shape.