fàng xué hòu / tā / zài / xiào mén kǒu / mǎi le / yì gēn / kǎo cháng / biān zǒu biān chī

放学后，他在校门口买了一根烤肠，边走边吃。

After school, he bought a grilled sausage at the school gate and ate it as he walked.