Assertion: marsupial's pouch | /r/CapableOf | act as protective sheath
Facets:
value: for young
type: TRANSITIVE-OBJECT
Source sentences:
text: The male thylacine had a pouch that acted as a protective sheath, covering his external reproductive organs while he ran through thick brush.
text: The pouch acts as a protective sleeve for their young, as well as contains several nipples for the young to feed as they develop.
text: The pouch of the male thylacine served as a protective sheath covering the external reproductive organs.