self-healing

例句：

1. 1.The wound will heal itself if it's not infected.
   如果伤口没有感染，它会自己愈合。
2. 2. The car engine has a self-healing system that can repair itself when it fails.
   汽车发动机有一个自愈系统，当它失败时可以自行修复。
3. 3. The plant's roots are capable of self-healing after damage.
   这种植物的根在受损后能够自我修复。