long-lived iso tope

例句：

1. 1. The elderly areoften described as long-lived individuals.
   老年人通常被描述为长寿的人。
2. 2. Theresearch suggests that a balanced diet can helppeople live longer lives.
   研究表明，均衡饮食可以帮助人们活得更长久。
3. 3. Long-livedspecies often have unique adaptations tosurvive in their environments.
   长寿物种往往有独特的适应机制来适应其生存环境。