aplasia

例句：

1. 1. The patient's aplasia was treated successfully.
   患者的无精症成功治疗。
2. 2. Aplasia is a rare condition that affects the development of the brain and spinal cord.
   无精症是一种罕见的状况，影响大脑和脊髓的发展。
3. 3. In some cases, aplasia can lead to intellectual disability or even death.
   在某些情况下，无精症可能导致智力障碍甚至死亡。