They do that when they hear a curious sound.
Yes, they do. They make a rumbling sound as they vibrate.
rumbling
A rumbling sound when a Civic Hybrid is accelerating could be due to an exhaust leak. When there is an exhaust leak too close to the manifold it can create a deeper rumbling noise.
It makes a rumbling noise
Karana hears a rumbling sound which is likely caused by an earthquake. This natural event creates fear and uncertainty for Karana and the other characters on the island.
has to do with smoking
Transmission problems.
4Km
The synonyms for rumbling are roar, resound, roll, boom, and grumble. Rumbling is to make a continuous deep resonant sound.
Rhonchi are rumbling sounds generated by thick secretions in the lungs.
the spare tyre.
Turbine noise, Jet Engine rumbling,