riflescope / ˈraɪ fəlˌskoʊp /

⚽高中词汇步枪瞄准器步枪瞄准镜步枪镜来福枪

riflescope 的定义

n. 名词 noun
  1. a telescopic sight mounted on top of a rifle that helps to improve one's aim by magnifying and pinpointing a target.