Assertion: dragonfly | /r/CapableOf | use their two sets of wings
Facets:
value: more effectively
type: MANNER
value: unlike
type: OTHER
Source sentences:
text: Unlike, for instance, bees, whose wings flap at about 300 times a second producing the distinctive buzz they are known for, dragonflies use their two sets of wings more effectively and therefore only have to flap them about 30 times a second to achieve flight.