yī / shēng / jiǎn / chá / hòu / què / rèn / zhè / zhǐ / shì / yí / kuài / pǔ / tōng / de / měng / gǔ / bān

医生检查后确认这只是一块普通的蒙古斑。

After examination, the doctor confirmed this was just an ordinary Mongolian spot.