Spitz nevus

例句：

1. 1. The doctor diagnosed him with a Spitz nevus on his forehead.
   医生诊断他额头上有一颗斯皮茨痣。
2. 2.She noticed the Spitz nevus on her arm and decided to get it removed.
   她注意到手臂上的斯皮茨痣并决定把它去掉。
3. 3.The Spitz nevus was so dark that it almost looked like a birthmark.
   斯皮茨痣太黑了，几乎看起来像是胎记。