记程仪

例句：

1. 1. The car's odometer is showing thatit has traveled 500 miles.
   汽车的里程表显示它已经行驶了500英里。
2. 2. Theengineer used a new instrumentto measure the distance accurately.
   工程师使用一种新仪器准确地测量了距离。
3. 3. The driver carefully checked the odometer before starting the engine.
   司机在启动发动机之前仔细检查了里程表。