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单词	semicircumferentor
释义	semicircumferentor noun semi·​circumferentor "+ : a surveyor's instrument used for setting out land or buildings to any angle and in preliminary survey work generally and made up of a horizontal graduated semicircle that surrounds a compass and is attached to a base with fixed vertical sights at each end and of a movable arm with vertical sights at each end that pivots on the center of the base Word History Etymology semi- + circumferentor
随便看	roulade roulades roule rouleau rouleaus rouleaux roulette rouletted roulettes rouletting Rouman roumania roumaniae roumanian Roumanian roumanians roumanias roumelian Roumelian roumi roun rounce rounces rounceval rouncevals

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。