eccrine nevus

例句：

1. 1. The eccrine nevus on his forehead is a common condition.
   他额头上的汗腺痣是一种常见的状况。
2. 2. This eccrine nevus has been causing him discomfort for years.
   这个汗腺痣已经让他痛苦了好几年了。
3. 3. Doctors often remove eccrine nevs to prevent infection.
   医生经常移除汗腺痣以防止感染。