nipple of breast

例句：

1. 1. She was so upset when hernipple got cut off.
   她的乳头被割掉了，她非常难过。
2. 2. Thebaby's nipple is softand pliable.
   婴儿的乳头柔软且有弹性。
3. 3. The mother carefully examined thenipple to make sure it washealthy.
   母亲仔细检查了乳头，确保它健康。