corpus cavernosum urethrae

例句：

1. 1. The doctor performeda surgery to repair the damaged corpuscavernosum.
   医生进行了手术来修复受损的阴茎海绵体。
2. 2. During sexualactivity, the corpus cavernosum can expand and contract.
   在性行为中，阴茎海绵体会扩张和收缩。
3. 3. Thepatient's corpus cavernosum was enlarged due to an infection.
   由于感染，患者的阴茎海绵体变大了。