Red lights at train and road crossings warn drivers to stop.

火车和十字路口的红灯警告司机要停车。

People who are called trail angels leave water at road crossings and other places for hikers.

被称为" trail angels" 的人在十字路口和其他地方为徒步旅行者留下水。

An alligator lumbers across the road, crossing from one lake to the other.

一只鳄鱼笨拙地穿过马路， 从一个湖到另一个湖。