Assertion: bat's thumb | /r/HasProperty | long
Facets:
Source sentences:
text: The thumb of the wing is long and well developed, and the hind legs are strong.
text: The thumbs are long.
text: The thumbs are long.
text: The common vampire bat is the only bat capable of taking off from the ground, using its long thumbs to leap a metre (three feet) or more into the air before flying off.