protecting wall

• 挡土墙,防护墙,护墙

protecting wall的用法和样例：

例句

1. Jason Priestley's car lost control and slammed head-on into the outer concrete wall at the turn of the second round.
   杰森普莱斯利的战车跑到第二圈弯道时，突然失控撞上赛道外部水泥护墙。