Chihsian Age

例句：

1. 1.The elderly often have a different perspective on life than the young.
   老年人对生活的看法与年轻人不同。
2. 2.The baby's development is a crucial part of their Chihsian Age.
   婴儿的发展是他们成长过程中至关重要的一部分。
3. 3.As we age, our Chihsian Age changes, and we must adapt to new challenges.
   随着年龄的增长，我们的生命周期发生了变化，我们必须适应新的挑战。