of, relating to, or used in visionan optical illusion that fools most people
an optical illusion that fools most people
ocular, optic, visual
seeing, sightedfocusing(also focussing)
nonvisual
in 1570
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。