circumpacific volcanic belt

例句：

1. 1.The circumpacific volcanic belt is a region of active volcanoes that stretches across the Pacific Ocean.
   环太平洋火山带是一片活跃的火山区域，横跨太平洋。
2. 2. This belt of volcanic activity is responsible for the frequent earthquakes in the area.
   这个火山活动带负责该地区频繁的地震。
3. 3. The circumpacific volcanic belt is home to some of the world's most active volcanoes.
   环太平洋火山带是世界上一些最活跃的火山所在地。