There was a flicker of light, and then a ragged thrumming noise.

He was peering into a wide opening from which came the now-familiar thrumming noise.

They stared at the damaged panel, the constant thrumming noise of the tube enveloping them.

That thrumming noise grew much louder.

By now, the thrumming noise reverberated throughout the chamber, intensifying to a degree that he could feel the thrum in his bones until he ached.

A vast vibrato filled the room, shook the air, the thunderous thrumming noise sliced with screams and cries.

Ben followed her, and yes, he could hear it; that steady thrumming noise.

The humming of tractor fields changed to a shrill thrumming noise that abruptly ceased to affect them.

She heard a faint thrumming noise, and her body vibrated gently, as if some giant generator hummed beneath her.

Once she had opened the metal door, the thrumming noise became very loud.