master copy
词形变化：
名词: masterdom | 动词过去式: mastered | 动词过去分词: mastered | 动词现在分词: mastering | 动词第三人称单数: masters |
同义词：
chief | controller | teacher | main | principal | overcome | subdue | major | leading | conquer | ruler | grasp | director | learn | commander | virtuoso | head | lord | captain | control | hero | wizard | craftsman | technician | patron | sailor | proprietor | prevail | landlord | artist | specialist | owner | conqueror | genius | conductor | overpower | leader | shark | adept | passkey | schoolmaster | master copy | master key | sea captain | overlord | get over | headmaster | primary | surmount | professional | skipper | dominate | passe-partout | original | superior | victor | maestro |
反义词：