deflection wall

例句：

1. 1.The car's steering wheel is a deflection wall that helps you steer the car.
   汽车的方向盘是一个偏转壁，帮助你驾驶汽车。
2. 2. The scientist used a deflection wall to test the theory of relativity.
   科学家使用一个偏转壁来测试相对论理论。
3. 3. The deflection wall was designed to prevent cars from hitting each other.
   偏转壁的设计是为了防止汽车相互碰撞。