1749J. Cleland Mem. Woman Pleasure II. 239 My breasts..unfail'd in firmness.
1827Pollok Course T. v. 523 When, on the glittering dews of orient life, Shone sunshine hopes, unfailed, unperjured then.
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。