Assertion: crocodile's membrane | /r/CapableOf | cover eye
Facets:
value: to cleanse its eyes
type: PURPOSE
Source sentences:
text: Protective membranes cover the eyes when underwater.
text: The Nile crocodile shares with all crocodilians a nictitating membrane to protect the eyes and lachrymal glands to cleanse its eyes with tears.
text: When the animal completely submerges, the nictitating membranes cover its eyes.
text: To enhance their underwater visual capacity, a protective membrane covers their eye.