ramp up 可以做verb?

ramp n an artificial slope that connects two level;
eg:-Drive your car up the ramp.(n)
a place in a road that is higher than the main road surface , esp a raised part built to force you people to drive slowly.
eg:-ramp up the car ere car up the ramp?
eg:-(car, the, should be interchanged here.)
Hence eg:-ramp n.,Your car can be driven up and down on a ramp n.