A player who takes a position behind the front line of other players in certain games, such as football.

后卫：在某种比赛项目中，如足球，处在其它运动员前线位置之后的运动员。

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Now Bellion has a chance to remind us why Ferguson once fought off Liverpool and Arsenal to secure the player's signature when he leads Bordeaux's front line against an in-form Chelsea side.

BBC: How Bellion bounced back