He practiced his powerful slapshot during training to improve his scoring ability in games.

slapshot 是复合词，由 slap（猛击）和 shot（射击）组成。slap 原指"掌掴、拍打"，这里引申为"猛力击打"；shot 指"射击、击打"。在冰球运动中，slapshot 特指"大力击射"，是球员用球杆全力击打冰球的一种射门方式。