motor(a)
n. machine that converts other forms of energy into mechanical energy and so imparts motion a nonspecific agent that imparts motion"happiness is the aim of all men and the motor of all action"
v.travel or be transported in a vehicle"They motored to London for the theater"
同义词：drive
adj. conveying information to the muscles from the CNS"motor nerves"
同义词：centrifugal
causing or able to cause motion"motor energy"
同义词：motive(a)