你可以想像以每小时30英里的速度，开车向一面砖墙撞去会是什么样子。
You can imagine what it would be like driving a car into a brick wall at 30 miles an hour.
学校的入口由两面砖墙构成，砖墙的背面是停车场。
The school′s entrance is framed by two brick walls, behind them the parking lot is placed.
她的车突然转向冲出了马路，撞向6英尺高的一面砖墙。
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