backfielder

例句：

1. 1.He is a backfielder for the local team.
   他是当地球队的后场球员。
2. 2. The backfielder made a crucial catch in the game.
   这位后场球员在比赛中做出了关键的扑救。
3. 3.Backfielders are responsible for blocking shots and defending the goal.
   后场球员负责阻挡射门和防守球门。