(每日一词）stadium

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. 成千上万的球迷涌进体育场观看比赛。