fire action meaning in English

【军事】火力交锋，火战。

Meanwhile physiologists and biochemists were finding that glia had receptors for many of the same neurotransmitters neurons use for synaptic communication , as well as most of the ion channels that enable neurons to fire action potentials
同时，生理学家与生化学家也发现，神经胶细胞有受体，可以接受神经元用以做突触沟通的许多神经传递物，它们也同样有大多数神经元用来产生动作电位的离子通道。