aplasia cutis congenita

例句：

1. 1. The child has a congenital skin defect that affects his ability to walk.
   这个孩子有先天性皮肤缺陷，这影响了他的行走能力。
2. 2. This condition is often associated with other congenital abnormalities.
   这种状况通常与其他先天性异常有关。
3. 3. The genetic testing revealed a congenital skin defect in the family history.
   遗传测试显示家族史中有先天性皮肤缺陷。