nerve fibril

例句：

1. 1. The nerve fibers in the skin are sensitive to touch.
   皮肤中的神经纤维对触摸敏感。
2. 2. The nerve fibers in the brain connect with each other to transmit signals.
   大脑中的神经纤维相互连接以传递信号。
3. 3. The nerve fibers in the eye can detect light and color.
   眼睛中的神经纤维可以检测光线和颜色。