测距器

例句：

1. 1. The surveyor used a telescope to measure the distance between the stars.
   测量师使用望远镜来测量星星之间的距离。
2. 2. The engineer designed a device to measure the accuracy of the construction work.
   工程师设计了一个设备来测量建筑工作的准确性。
3. 3. The scientist used a range finder to measure the distance to the next landmark.
   科学家使用测距仪来测量到下一个地标的距离。