chú fáng / lǐ / chuán lái / yì gǔ / sōu chòu / de / wèi dào / yuán lái / shì / yǒu / shí wù / biàn zhì / le

厨房里传来一股馊臭的味道，原来是有食物变质了。

A putrid smell came from the kitchen; it turned out that some food had gone bad.