Five Roman feet or58.1 English inches, measured from the point at which the heel of one foot is raised to the point at which it is set down again after an intervening step by the other foot.

• 罗马步5罗马英尺或58。1英寸，从一只脚的脚跟抬起点量起到另一只脚插进来之后这只脚跟的着落点为止