Assertion: prawn's pair | /r/ObjectUse | used for swimming
Facets:
Source sentences:
text: They spend most of their time swimming; each shrimp has five pairs of pleopods and a pair of uropods used for swimming.
text: The abdomen of a shrimp has a lot going on too; it has five pairs of swimmerets and a pair of uropods, used for swimming, and a tailpiece.
text: The other six pairs of thoracic appendages are biramous (branching) limbs known as pereopods, and are used for swimming, as well as for wafting water towards the maxillipeds for feeding.