Yán / jiū / Zhōng / guó / gǔ / dài / nóng / yè / shǐ / shí / rén / men / cháng / cháng / huì / tí / dào / Jiǎ / Sī / xié

研究中国古代农业史时，人们常常会提到贾思勰。

When studying the history of ancient Chinese agriculture, people often mention Jia Sixie.