arm path

例句：

1. 1.The arm path is the shortest way to reach the top of the mountain.
   手臂路径是到达山顶最短的路线。
2. 2.She walked along the arm path and admired the beautiful scenery.
   她沿着手臂路径散步，欣赏着美丽的风景。
3. 3. The arm path was blocked by a large tree, making it difficult for us to continue our journey.
   手臂路径被一棵大树阻挡了，使得我们继续旅行变得很困难。