They found animal tracks on the trail.

他们在小道上发现了野生动物的足迹。

The wild animal aggressed the hiker on the trail.

野生动物在小径上攻击了徒步旅行者。

The GPS showed their exact positions on the trail.

GPS（Global Positioning System，全球定位系统）显示了他们在小径上的确切位置。

After the rain, the ruts on the trail became deeper.

雨后，小径上的车辙变得更深了。

The hikers relied on their gpss to stay on the trail.

徒步旅行者依靠他们的全球定位系统保持在小径上。

The hiker was perdu after taking a wrong turn on the trail.

徒步旅行者在小径上走错了方向后迷失的。

Be careful when hiking; there might be adders on the trail.

徒步旅行时要小心，路上可能会有蝰蛇。

A halfway sign on the trail.

铁轨上的半程标记

A day on the trail wasn't easy!

路上的一天并不简单！

Be courteous. Yield to other users on the trail.

与礼,狭径相逢应避让.