步数计

例句：

1. 1. I usemy pedometer to track how manysteps I've taken each day.
   我使用我的计步器来记录每天走的步数。
2. 2. The doctor recommended that shewear a pedometer to monitor herhealth.
   医生建议她佩戴一个计步器来监测她的健康状况。
3. 3. Shedecided to go for arun and used her pedometer to count the number of stepsshe took.
   她决定去跑步，并使用她的计步器来计算她走了多少步。