lǎo / shī / zài / kè / shàng / jiě / shì / wò / ěr / duǒ / yī / cí / zhǐ / gǔ / dài / yóu / mù / mín / zú / de / yíng / dì

老师在课上解释，斡耳朵一词指古代游牧民族的营地。

The teacher explained in class that 斡耳朵 refers to a camp of ancient nomadic peoples.