parallel fibers

例句：

1. 1.The doctor advised him to exercise regularly to maintain his health.
   医生建议他定期锻炼以保持健康。
2. 2. The researcher found that the parallel fibers were responsible for transmitting information between neurons.
   研究者发现平行纤维负责神经元之间的信息传递。
3. 3. The scientist discovered new parallel fibers in the brain that could help with memory retention.
   科学家在大脑中发现了新的平行纤维，有助于记忆保留。