autonomic nervous system
noun /ˌɔːtənɒmɪk ˈnɜːvəs sɪstəm/
/ˌɔːtənɑːmɪk ˈnɜːrvəs sɪstəm/
(specialist)- the part of your nervous system that controls processes that are unconscious, for example the process of your heart beating
自主神经系统,植物性神经系统(控制心跳等无意识运动)