angle of fall

例句：

1. 1. The car's angle of fall is critical for the stability.
   汽车的倾斜角度对稳定性至关重要。
2. 2. The slope of the hill is steep, so it has a high angle of fall.
   这座山的坡度很陡，因此倾角很大。
3. 3. The angle of fall affects the speed and direction of the falling object.
   倾角影响下落物体的速度和方向。