详细解释:n. 步数计, 步程计
【医】 婴儿测量器; 步数计
英语解释：
名词 pedometer:
measuring instrument for recording the number of steps taken in walking详细解释：
pe.dom.e.ter
n.（名词）An instrument that gauges the approximate distance traveled on foot by registering the number of steps taken.计步器，步程器：一种通过记录所行步数来估测步行近似距离的仪器