neurotrolpy

例句：

1. 1. Neurotrophic factors are essential for the growth and development of neurons.
   神经营养因子对神经元的生长和发育至关重要。
2. 2. The brain produces neurotrophic factors that support nerve cells.
   大脑产生神经营养因子，以支持神经细胞。
3. 3. Researchers have discovered new neurotrophic factors that can enhance memory and learning.
   研究人员发现了新的神经营养因子，可以增强记忆力和学习能力。