sclerotoma

例句：

1. 1. He had a scleroma on his neck that made him look older than he was.
   他的脖子上有一个瘤，让他看起来比实际年龄大。
2. 2.The doctor removed the scleroma and sent it to the lab for testing.
   医生切除了这个瘤并将其送往实验室进行测试。
3. 3.Scleromas can be dangerous if they grow large enough to press on a blood vessel.
   如果瘤足够大以压迫血管，那么它们可能是危险的。