yīshēng / tíxǐng / tā / chángqī / bàoshài / zàochéng / de / pífū / sǔnshāng / yǒuxiē / shì / bùkěnì / de

医生提醒他，长期暴晒造成的皮肤损伤有些是不可逆的。

The doctor warned him that some skin damage caused by prolonged sun exposure is irreversible.