parallel circuit       
noun [ C ]  electronics specialized uk/ˌpær.ə.lel ˈsɜː.kɪt/ us/ˌper.ə.lel ˈsɝː.kɪt/
 并联电路
a circuit in which the electric current passes through two or more branches or connected parts at the same time before it combines again
 Compare: series circuit