saxicoles

例句：

1. 3.
   在医学上
2. 1. He was so embarrassed about his penis that he couldn't bring himself to talk about it.
   他对自己的阴茎感到尴尬，以至于他不敢谈论它。
3. 2. The scrotum is the sac around the testicles.
   阴囊是围绕睾丸的袋子。