单词	polyhedral angle
释义	polyhedral angle noun : a portion of space partly enclosed by three or more planes whose intersections meet in a vertex Word History First Known Use circa 1864, in the meaning defined above
随便看	descantists descants Descartes Descartes's rule of signs descarteses descartesses Descartian descend descend (on or upon) descend from descend on or upon descend to descend to someone's level descend/sink/stoop to someone's level descendance descendancy descendant descendants descended descended (on or upon) descended from descended on or upon descended to descendence descendency

英语词典包含469781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。