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	protractor/prəˈtræktə/n. 1 an instrument for measuring angles, usu. in the form of a graduated semicircle 量角器；半圆仪 2 a muscle serving to extend a limb etc. 牵引肌
随便看	stone-cold sober stonecrop stone curlew stonecutter stoned stoned stone-dead stone-deaf stonefish stonefly stone fruit stoneground stonehatch stoneless stone marten stonemason stonemasonry stone parsley stone pine stone-pit stoner stone the crows stonewall stonewaller stonewalling

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