supremacy
noun [ U ] uk/suːˈprem.ə.si/ us/suːˈprem.ə.si/
(HIGHEST)
最高地位，至高无上
the leading or controlling position
The company has begun to challenge the supremacy of the current leading manufacturers in the textiles industry. 这家公司已开始挑战目前纺织业内几大龙头厂商的统治地位。
The allies have established air supremacy (= military control of the sky). 盟军已经掌握了制空权。
(GREATEST)
最好，最佳
the position of being the best
a struggle for supremacy 追求最好的努力
This victory clearly proves the supremacy of the Brazilians in football. 这场胜利清楚地表明巴西队是世界上最好的足球队。