Assertion: dolphin's sound | /r/CapableOf | bounce off object
Facets:
value: around them
type: OTHER
Source sentences:
text: The echo produced by the sound bouncing off objects helps the dolphins in locating the objects, even determining how far away the objects are located.
text: Sonar technology sends out sounds and waits for the sounds to bounce off other objects and come back (the same way an echo bounces back to us in a cave).
text: The sounds bounce off objects around them, including prey.