Stadium /ˈsteɪ.di.əm/ n. 体育场
meaning: a large closed area of land with rows of seats around the sides and often with no roof, used for sports events and musical performances
1) 词根:stad-表示stand 站立
2) 后缀:-ium 名词后缀, 多表地点
e.g. Thousands of fans packed into the stadium to watch the match.
stadium(sideidiM/露天体育场