yán / jiū / gǔ / dài / yǐn / shí / shí / xué / zhě / zài / wén / xiàn / zhōng / fā / xiàn / le / shǐ / gāo / zhè / ge / míng / chēng研究古代饮食时,学者在文献中发现了“豕膏”这个名称。While studying ancient cuisine, the scholar found the term “豕膏” in a historical text.