单词	pen
释义	pen 4 (pĕn) n. Informal A penitentiary; a prison. [Short for PENITENTIARY.]
随便看	unriddler unrifled unrig unrighteous unrighteously unripe unripeness unrivaled unrivalled unroll unroof unroot unround unrove unroven unruffled unruliness unruly unsaddle unsafe unsaid unsanitary unsatisfactorily unsatisfactory unsaturate

英语词典包含135693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。