tāi biàn / pái chū / hòu / bǎo bǎo / de / xiāo huà xì tǒng / cái / kāi shǐ / zhèng cháng / gōng zuò

胎便排出后，宝宝的消化系统才开始正常工作。

After the meconium is expelled, the baby's digestive system begins to work normally.