英语词汇protractor的意思、用法及释义-英汉双解词典

单词	protractor
释义	protractor n instrument, usu in the form of a semi-circle with degrees (0 to 180) marked on it, used for measuring and drawing angles 量角器; 分度规.
随便看	EP epaulette epee ephemera ephemeral epic epicentre epicure epicurean epidemic epidermis epidural epiglottal epiglottis epigram epigrammatic epilepsy epileptic epilogue Epiphany episcopal episcopalian episiotomy episode episodic

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