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单词	protractor
释义	protractorprotractor /proʊˈtræktɚ, prə-/ noun [countable] math, geometry an instrument, usually in the shape of a half-circle, used for measuring and drawing angles
随便看	Vatican, the vaudeville Vaughan, Sarah Vaughan Williams, Ralph vault vaulted vaulter vaulting vaulting horse vaunted V-chip VCR VD VDT 've veal Veblen, Thorstein vector Vedas veejay veep veer veg Vega, Lope de vegan

英语词典包含48224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。