Assertion: cetacean's layer | /r/CapableOf | maintain body heat
Facets:
value: in cold water
type: LOCATION
Source sentences:
text: They have a layer of fat, or blubber, under the skin to maintain body heat in cold water.
text: They have a layer of fat, or blubber, under the skin to maintain body heat in cold water.
text: They have a layer of fat, or blubber, under the skin to maintain body heat in cold water.