tangential wave

例句：

1. 1. The angle of the roof is tangential to the wall.
   屋顶与墙成切线角度。
2. 2. The car's steering wheel is positioned at a tangential point.
   汽车的方向盘位于一个切线点上。
3. 3. The path is angled at a tangential angle to the road.
   这条路与道路呈切线角。