Lǎo / shī / jiě / shì / shuō / bāo / sāng / kě / yǐ / biǎo / shì / gēn / shēn / dì / gù / yě / kě / yǐ / zhǐ / sāng / shù / de / gēn老师解释说,“苞桑”可以表示根深蒂固,也可以指桑树的根。The teacher explained that 苞桑 can mean deeply rooted or refer to the roots of a mulberry tree.