cross electromagnetic wave small room

例句：

1. 1. The train will cross the river at the next station.
   火车将在下一个车站穿过河流。
2. 2. The road crosses the city center at a busy intersection.
   这条路在繁忙的十字路口穿过市中心。
3. 3. The path crosses the forest to reach the other side.
   路径穿过森林到达另一边。