rangefinder
noun [ C ] uk/ˈreɪndʒˌfaɪn.dər/ us/ˈreɪndʒˌfaɪn.dɚ/
（射击或摄影用的）测距仪
an instrument that you use for measuring the distance of an object when you are shooting at it or taking a photograph of it
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。