lǎo / rén / gěi / hái / zi / men / jiǎng / le / niǎn / fáng / zài / guò / qù / xiāng / cūn / shēng / huó / zhōng / de / zuò / yòng

老人给孩子们讲了碾坊在过去乡村生活中的作用。

The old man told the children about the role of grain mills in rural life in the past.