difformity

例句：

1. 1. The child's difformity was due to a congenital defect.
   孩子的畸形是由于先天性缺陷造成的。
2. 2. The researcher found that the difformity could be caused by genetic factors.
   研究者发现这种畸形可能是由遗传因素引起的。
3. 3. The patient's difformity required extensive surgery to correct.
   患者的畸形需要进行广泛的手术来纠正。