lutin

例句：

1. 1. The doctor told me that I had a small lupin on my arm.
   医生说我手臂上有一个小型疣。
2. 2. Lutin is a common skin condition that can be treated with topical creams.
   疣是一种常见的皮肤状况，可以通过外用药膏治疗。
3. 3. Lutin can spread to other parts of the body if left untreated.
   如果未治疗，疣可能会扩散到身体的其他部位。