The only sound came from the police helicopters ' whirring blades.
The lights went out, and she blinked, looking up at the sound of whirring.
Don't be left behind in the whirring world of roller skate shoes.
Like other skippers it has a fast whirring flight, which often ends up with a return to its original resting place.
The PC is now gently whirring beneath the desk, with the graphics card tightly wrapped in a hot metal sandwich !