brain [名词] 脑 Ex: It 's important to wear a helmet to protect your brain while riding a bike . 骑自行车时戴头盔保护你的大脑很重要。
spinal cord [名词] 脊髓 Ex: Nerve impulses travel along the spinal cord to control voluntary and involuntary functions . 神经冲动沿着脊髓传递,以控制随意和不随意的功能。
interneuron [名词] 中间神经元 Ex: The interneurons in the spinal cord help to relay signals from sensory neurons to motor neurons , allowing for coordinated movements . 脊髓中的中间神经元有助于将信号从感觉神经元传递到运动神经元,从而实现协调运动。