magma geothermal system

例句：

1. 1. The volcano erupted, spewing out a torrent of magma.
   火山爆发，喷出了大量的岩浆。
2. 2. The magma beneath theearth is slowly rising to the surface.
   地下的岩浆正在缓慢上升至地表。
3. 3. Magma is the liquid rock that forms whenmolten rock cools and solidifies.
   岩浆是当熔化的岩石冷却并凝固时形成的液态岩石。