When the receptors for the nasal spray molecules are activated, they send out a neurotransmission that helps open the nasal passages.

当鼻腔喷雾分子的受体被激活时，它们会发出有助于打鼻腔通道的神经传递。

Pain is merely a neurotransmission from the dorsal horn of the spinal cord and the brain stem to various regions of the brain as sensory information.

疼痛只是脊髓背角和脑干觉信息向大脑各区域的神经传递。