Now he could hear a sound mixing with the drone of the jet engines - a deep, throbbing noise, like a huge diesel idling.
Talking above the throbbing noise that flooded the building.
At that moment a low, throbbing noise began which gradually swelled louder and louder till the whole valley seemed to be swaying with it.
Pilescu stopped the engines, and the big throbbing noise died away.
The throbbing noise arose on the air again.
The throbbing noise of the engines abruptly decreased.
For as far as she could tell, the throbbing, pulsating noise that dominated this area came from the wheel itself.
She felt her hips lifted, swung, pushed down, and a little throbbing noise came out of her.
IN his long cell, Harry Vincent became suddenly conscious of the throbbing noise.
The throbbing noise became much louder.