gadiometer

例句：

1. 1. I use a gadometer to track my daily steps.
   我使用计步器来记录我的每日步数。
2. 2.The doctor recommended that he wear a gadometer to monitor his health.
   医生建议他佩戴一个计步器来监测他的健康状况。
3. 3.The elderly man uses a gadometer to help him stay active and healthy.
   这位老人使用计步器来帮助他保持活跃和健康。