self-renewal

例句：

1. 1. The ability to self-renew is crucial for the survival of many species.
   自我更新的能力对于许多物种的生存至关重要。
2. 2.In nature, self-renewal is essential for maintaining ecosystems and biodiversity.
   在自然界中，自我更新对于维持生态系统和生物多样性至关重要。
3. 3.The process of self-renewal allows organisms to adapt to changing environments.
   自我更新的过程使生物能够适应不断变化的环境。