单词	imperial city
释义	imperial city noun 1 : a city (as Rome) that is the seat of empire 2 : a city that is an immediate vassal of the emperor of the Holy Roman Empire Word History First Known Use 1550, in the meaning defined at sense 1
随便看	nighty night nignay nignye nigra scale nigrae nigraniline nigras nigre nigrescence nigrescences nigrescent nigricant nigrified nigrifies nigrify nigrifying nigrine Nigritian nigritude nigritudes nigromancer nigrometer nigropori nigroporuses nigroporusses

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。