十字形旋转门

例句：

1. 1. The road is marked with a cross at the intersection.
   路口处用一个十字标记。
2. 2. He crossed the street to get to the other side of the park.
   他穿过马路到公园的另一边。
3. 3. The map has a cross in the center for easy reference.
   地图中心有一个十字，便于参考。