Their heavy throbbing filled the air with a steady vibration.
After a while, she found the steady soft vibration of the car had become arousing.
There was a steady vibration in the floor, then another jolt.
Belinda put an arm around the woman's shoulders and was frightened by the steady high vibration she felt.
The noises sank to a steady vibration of throbbing power.
Her legs and arms shook with a steady vibration.
The noise, the odor, the steady vibration- it all had her desperate for a breath of fresh air, but she forced herself to stay put.
Behind her, the steady vibration of the propfan engine drove them along.
There was a steady vibration from the big diesel.
Soon there was merely a steady vibration and G-8 knew they were in the air.