Acne inflammation blood vessels expand.
痘痘发炎后，血管会扩张。
In this period, the retina of the small blood vessels narrowed or blocked, other cystic formation of blood vessels expand.
在此时期，视网膜的细小血管变窄或阻塞，其他血管则扩大形成囊状。
To repair the damage and remove the dead cells, blood vessels expand and blood flow increases to the burned parts of your body.
为了修复损伤并清除死细胞，你的身体晒伤部位的血管会扩张、血流量会增大。
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