From a neuroscience viewpoint, a thought is just a secretion, a droplet of a chemical where two brain cells connect (synapse).
从神经学的角度来说，一个想法只是一种分泌物，是位于两个大脑细胞连接处(突触)的化学物质中的一小滴。
2
A chemical compound called a neurotransmitter, released by one neuron, travels across the small intercellular gap, or synapse, to interact with another cell.