zuò / wéi / jiā / lǐ / de / dān / gēn / dú / miáo / tā / cóng / xiǎo / jiù / chéng / dān / zhe / zhào / gù / fù / mǔ / de / zé / rèn

作为家里的单根独苗，他从小就承担着照顾父母的责任。

As the only child in the family, he took on the responsibility of caring for his parents from an early age.