ischiac

例句：

1. 1. He was embarrassed to have his penis exposed in public.
   他在公共场合暴露自己的阴茎时感到尴尬。
2. 2. The doctor removed the scrotum and performed an operation on him.
   医生切除了阴囊并给他做了手术。
3. 3. The man's scrotum was swollen and painful due to a bacterial infection.
   由于细菌感染，这名男子的阴囊肿胀且疼痛。