perhaps from Dutch toezien to look on, take care, be careful, from Middle Dutch toesien, from toe to + sien to see; akin to Old English tō to and to Old High German sehan to see
英语词典包含469781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。