huǒ / shān / pēn / fā / hòu / chì / rè / de / yán / jiāng / liú / huǎn / màn / de / liú / xiàng / shān / gǔ

火山喷发后，炽热的岩浆流缓慢地流向山谷。

After the volcanic eruption, the hot lava flow moved slowly toward the valley.