impacted tooth英 [ɪmˈpæktɪd tuːθ]美 [ɪmˈpæktɪd tuːθ]网络 阻生牙; 埋伏牙; 阻生齿英英释义nouna disorder in which a tooth is so crowded in its socket that it cannot erupt normallySynonym:impaction双语例句