léi huǒ / yǐn rán le / lín zhōng / de / kū shù / xiāo fáng duì / hěn kuài / gǎn dào / xiàn chǎng

雷火引燃了林中的枯树，消防队很快赶到现场。

The lightning-caused fire ignited dead trees in the forest, and the firefighters soon arrived.