yán / jiū / zhè / fèn / gǔ / dài / wén / xiàn / shí / xué / zhě / zhù / yì / dào / le / shū / yuán / yì / cí

研究这份古代文献时，学者注意到了“枢垣”一词。

While studying this ancient document, the scholar noticed the term “censorate.”