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·tract·orBrE /prəˈtræktə(r)/NAmE /prəˈtræktər/, also /proʊˈtræktər/ noun an instrument for measuring and drawing angles, usually made from a half circle of clear plastic with degrees (0° to 180°) marked on it 量角器；分度规
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