这些网络中，有许多神经化学物质来协助神经传递工作。

These networks, there are many nerve neurotransmitter chemicals to assist in the work.

youdao

这些网络中，有许多神经化学物质来协助神经传递工作。

These networks, there are many nerve neurotransmitter chemicals to assist in the work.

youdao