backfield

后卫的英文：(n) backfieldfullbackrear guard参考例句：He is thrusting down the middle and dribbling past a fullback.他带球中路突破晃过了一名后卫。A quick pass to a back running toward the sideline.向朝边线跑的后卫传的一种

field / pitch 足球场 midfield 中场 backfield 后场 kickoff circle / center circle 中圈 halfway line 中线 touchline / sideline 边线 goal line 球门线 end line 底线 penalty mark （点球）罚球点 penalty area 禁区（罚球区） goa