Papilla ilealis

例句：

1. 1. She has a small papilla on her left breast.
   她的左乳房上有一个乳头。
2. 2. The doctor removed the papilla for examination.
   医生为了检查而切除了乳头。
3. 3.The woman's papilla was enlarged due to pregnancy.
   由于怀孕，这位妇女的乳头变大了。