At night its light is seen far out at sea, and the men on ships can tell where to go. 夜里，它的光亮在很远的海面上都能看到，船上的人们可以辨明方向。

If it were not for this, they would run on the rocks. 如果没有灯塔，他们会撞上岩石。

How would you like to live in a lighthouse? 你认为住在灯塔里怎么样呢？