Assertion: turtle's plastron | /r/CapableOf | allow the shell
Facets:
Source sentences:
text: Some members of the Testudines family have a hinge in the plastron, which allows the turtle to “close” the shell when they withdraw inside it.
text: Some members of the Testudines family have a hinge in the plastron, which allows the turtle to “close” the shell when they withdraw inside it.