1611Cotgr., Inexplicable,..vndisplayable, vnexpoundable.
1835Court Mag. VI. 230/1 In spite of legal interdictions and unexpoundable acts of parliament.
1844North Brit. Rev. I. 147 Dark sayings and unexpoundable dogmas.
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。