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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	eastward easy easy chair easygoing easy listening easy money policy eat eatable eaten eater eatery eating apple eating disorder eats eau de cologne eaves eavesdrop eavesdropper eavestrough ebb Ebonics ebony e-book Ebro, the ebullience

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。