septal defect

例句：

1. 1. The patient had a septal defect that required surgery.
   患者有一个叶状缺损，需要手术。
2. 2. The heart surgeon performed a septal defect repair during the operation.
   心脏外科医生在手术中进行了叶状缺损修复。
3. 3. The child's septal defect was corrected successfully after the operation.
   手术后，孩子的叶状缺损被成功纠正。