spontaneous cure

例句：

1. 1. The patient's condition improved dramatically after the spontaneous cure.
   病人在自发治愈后，病情明显好转。
2. 2.The research suggests that a certain type of bacteria can cause spontaneous cures in some patients.
   研究表明，某些类型的细菌可以在一些患者中引起自发治愈。
3. 3. The doctors were surprised to find that the patient had already recovered from the disease with no need for surgery or medication.
   医生们惊讶地发现，病人已经无需手术或药物治疗就自行康复了。