[ C ]a real or artificial fir tree that is decorated and kept in the home at Christmas圣诞树
Christmas treenounFOOTBALL FORMATION
[ S ]in football, a formation or system in which a team has four defenders, three midfielders who play directly in front of the defence, and two attacking midfielders who play in a forward position behind one centre forward(足球比赛中的)圣诞树阵型(由4名后卫,3名防守型中场,2名进攻型中场和1名前锋组成的阵型)