Assertion: frog's skin | /r/CapableOf | remain moist
Facets:
value: in order
type: OTHER
Source sentences:
text: Oxygen is dissolved in a watery film on the skin and passes to the blood, so the frog's skin must remain moist at all times.
text: The skin of an amphibian must remain moist in order for the amphibian to be able to breathe through its skin.