1855Bain Senses & Int. iii. i. §81 We have generally understood the retainability of an impression to mean the power of recalling it at any future time.
英语词典包含277258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。