Of sight or vision: That consists in direct and immediate looking upon an object, and sees it as it is. Obsolete.
Of vision: obtained by reflection only; not direct or immediate. Obsolete.
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。