sighting-level

英['saɪtɪŋl'evl] 美['saɪtɪŋl'evl]
  • 观察水准仪
  • microscope n.显微镜
  • sight n.视力;看见;视线;景物v.瞄准;看见;观测
    1. Construction workers are measuring distances with a level.
      施工人员正在用水准仪进行测距工作。
    2. It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
      水准仪的测量方法很简单,但也需要通过多次的实践才能够掌握。