brain aging

• 脑老化

brain aging的用法和样例：

例句

1. This decreased diision of stem cells is what causes the decreased neurogenesis, or birth of nere cells, seen with aging, the scientists said.
   因此研究者认为干细胞的分化减少才是脑老化过程中神经再生或者新生神经细胞减少的根本原因。