area of horizon

例句：

1. 1.The sun sets over the horizon, casting a warm glow on the land.
   太阳在地平线上落下，给大地投下温暖的光辉。
2. 2. The view from the top of the mountain is breathtaking.
   从山顶上眺望，景色令人惊叹。
3. 3. The area of the horizon is vast and unexplored.
   地平线的范围广阔且未被探索。