yī shēng / xiàng / tā / jiě shì / shí mí / zhōng / de / yíng yǎng / chéng fèn / zhǔ yào / zài / cháng dào / nèi / bèi / xī shōu

医生向他解释，食糜中的营养成分主要在肠道内被吸收。

The doctor explained to him that the nutrients in chyme are mainly absorbed in the intestines.