uropac

例句：

1. 1. The baby's uroleak was filled with urine, making it difficult for him to walk.
   宝宝的尿囊充满尿液，让他走路很困难。
2. 2. The doctor removed the uroleak and performed a thorough examination of the baby's kidneys.
   医生取出了尿囊，并仔细检查了婴儿的肾脏。
3. 3. After the surgery, the baby's uroleak was replaced with a new one, which helped him regain his strength.
   手术后，婴儿的尿囊被换成了一个新的，帮助他恢复了体力。