myelitis

例句：

1. 1.Myelitis is a rare but serious condition that affects the spinal cord.
   脊髓炎是一种罕见但严重的状况，影响脊髓。
2. 2. The patient was diagnosed with myelitis and required immediate treatment.
   患者被诊断出患有脊髓炎，需要立即治疗。
3. 3.Myelitis can cause severe pain, weakness, and paralysis in its most severe forms.
   在最严重的形式下，脊髓炎可以导致剧烈疼痛、无力和瘫痪。