paxilla

例句：

1. 1. The baby's paxilla is tender to the touch.
   婴儿的乳头对触摸很敏感。
2. 2. The mother's paxilla was swollen and painful.
   母亲的乳头肿胀且疼痛。
3. 3. During labor, the doctor carefully examined the paxilla.
   在分娩过程中，医生仔细检查了乳头。