径

例句：

1. 1. The old man walked along the path to his house.
   老人沿着小路走向他的家。
2. 2. The car drove along the main road.
   汽车沿着主路行驶。
3. 3. She followed the river as it flowed through the valley.
   她随着河流穿过山谷流淌。