n.粉刺；痤疮
Acne is very common among teenagers. 粉刺在青少年中间很常见。
Acne is the most common skin disorder in the United States. 在美国，粉刺是最常见的皮肤病。
Many adults also have some acne easily. 成年人也很容易得痤疮。
n.防粉刺
[医] 致痤疮的
n.[医]腓肠部萎缩症；无腿(畸形)
