binocular       
adjective  science specialized uk/bɪˈnɒk.jə.lər/ /baɪˈnɒk.jə.lər/ us/bɪˈnɑː.kjə.lɚ/ /baɪˈnɑː.kjə.lɚ/
 同时用双目的;双目并用的
using both eyes to see things; made for use with both eyes
  These fish have humanlike binocular vision. 这些鱼有类似人类的双目视力。 
 a binocular microscope 双目显微镜