单词	principal diagonal
释义	principal diagonal noun : the diagonal in a square matrix that runs from upper left to lower right Word History First Known Use 1962, in the meaning defined above
随便看	skíros sl SL and C SL and T sla slab slab bridge slab door slab house slab line slab mill slab reef slab tie slab-on-ground slab-sided slab-top slabbed slabbed tie slabber slabbered slabberer slabberers slabbering slabbers slabbery

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。