英语词汇protractor怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protractor
释义	pro.trac.tor HprE5trAk7tE5, $-tL n [C] a device used for measuring and drawing angles. It is usually in the form of half a circle made from transparent plastic with degrees marked on it. 量角器 Mathematics
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英汉双解词典包含44095条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。