leukodystrophy

例句：

1. 1. Theboy has a rare genetic disorder that causes him to have white patches on his skin and bones.
   这个男孩患有一种罕见的遗传病，导致他的皮肤和骨骼出现白色斑点。
2. 2. He was diagnosed with leukodystrophy after undergoing brain scans.
   经过脑部扫描后，他被诊断出患有白化病。
3. 3. Leukodystrophy is a condition that affects the brain and spinal cord, causing severe intellectual disability and other symptoms.
   白化病是一种影响大脑和脊髓的疾病，会导致严重的智力障碍和其他症状。