pedometry

例句：

1. 1. The pedometer measures the number of steps taken each day.
   步数计测量每天走的步数。
2. 2. The pedometer test is used to measure the distance walked during a specific period.
   步数测试用于测量特定时间段内行走的距离。
3. 3. The pedometer measurement helps people track their daily activity levels.
   步数测量帮助人们追踪日常活动水平。