Assertion: sea urchin's spine | /r/HasProperty | 1 to 3 centimetres
Facets:
value: in length
type: OTHER
Source sentences:
text: Typical sea urchins have spines that are 1 to 3 centimetres (0.39 to 1.18 in) in length, 1 to 2 millimetres (0.039 to 0.079 in) thick, and not terribly sharp.
text: Typical sea urchins have spines that are 1 to 3 centimetres (0.39 to 1.18 in) in length, 1 to 2 millimetres (0.039 to 0.079 in) thick, and not terribly sharp.