pedometer
n. 计步器,步程计,步数计
例句
Use a pedometer, and find out your daily steps.
用计步器查看你每天的步数。
Or wear a pedometer and keep track of your steps.
或者,戴上计步器记录你的步数,也是不错的选择。
But just adding steps on your pedometer doesn't count.
但是仅仅在你计步器上增加步数是不算的。