pathometer

例句：

1. 1. The pathometer measures the distance traveled by a person.
   测功器测量一个人行走的距离。
2. 2. The pathometer is used to measure the strength of materials.
   测功器用于测量材料的力量。
3. 3. The pathometer was used to diagnose the patient's condition.
   测功器被用来诊断病人的状况。