v shift or move by taking a step
v put down or press the foot, place the foot
v cause (a computer) to execute a single command
v treat badly
v furnish with steps
v move with one's feet in a specific manner
v walk a short distance to a specified place or in a specified manner
v place (a ship's mast) in its step
v measure (distances) by pacing
v move or proceed as if by steps into a new situation
v. 踏;行走(step的过去式和过去分词)