common acne

例句：

1. 1. Common acne can be treated with over-the-counter creams.
   普通痤疮可以使用非处方药膏治疗。
2. 2. Acne is a common skin condition that affects many teenagers.
   痤疮是一种常见的皮肤状况，影响了许多青少年。
3. 3. The doctor prescribed me some medication to help treat my common acne.
   医生给我开了一些药物来帮助治疗我的普通痤疮。