沿着一条街道走到交通灯处。

___Follow ___a ___street to the traffic light.

你可以从公园沿着一条路到达图书馆。

You can get to the library by ___following ___a ___road from the park.

为了风景优美的路线，沿着河边的一条小路走。

For a scenic route, ___follow ___a ___path along the river.