Assertion: turtle's shell | /r/CapableOf | become smooth
Facets:
value: quite
type: DEGREE
value: in those
type: OTHER
value: in some older individuals
type: OTHER
Source sentences:
text: When abraded by mud, the shell becomes smooth, as shown in this turtle.
text: In some older individuals, or those that burrow frequently in coarse substrates, the shell may become quite smooth and polished.