| 释义 | mas·ter·dom \ˈmastə(r)dəm, -aas-, -ȧes-, -ȧs-\ noun
 (-s)
 Etymology: Middle English maisterdom, from Old English mægsterdōm function of a teacher, from mægester, magister master, teacher, ruler + -dōm -dom — more at master
 : the state or position of being master : mastery, supremacy
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