atavistic deformity

例句：

1. 1. The child's atavistic deformity made it difficult for him to walk.
   孩子的异形畸形让他很难走路。
2. 2. The genetic disorder is characterized by atavistic deformities in the brain.
   这种遗传性疾病的特征是大脑中的异形畸形。
3. 3. The researcher found that some patients with atavistic deformities had a higher risk of developing cancer.
   研究者发现，一些患有异形畸形的患者有更高的患癌症风险。