turning mark

例句：

1. 1. The car's steering wheel is marked with a turning mark to indicate the direction of travel.
   汽车的方向盘上有一个转向标记，用来指示行驶方向。
2. 2. The artist drew a turning mark on the canvas to guide the viewer's eye.
   艺术家在画布上画了一个转向标记，以引导观众的视线。
3. 3. The construction workers used marking chalk to create a turning mark for the new road.
   建筑工人使用划线粉在新建的道路上标出了一个转向标记。