1860Pusey Min. Proph. 82 From that unsolid, unbased, inflated greatness it vanisheth in air.
1884H. Spencer in Contemp. Rev. July 25 The theory commonly accepted is ill-based or unbased.
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。