station pointer

例句：

1. 1. The station pointer on the train indicates the next stop.
   火车上的站牌指示下一站。
2. 2. The station pointer was helpful in guiding us to our destination.
   站牌的指示帮助我们找到了目的地。
3. 3. The station pointer helped me locate my train more easily.
   站牌让我更容易找到我的火车。