an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation
defibrillator详细解释
de.fib.ril.la.tor n.（名词）An electrical device used to counteract fibrillation of the heart muscle and restore normal heartbeat by applying a brief electric shock.自动减颤器：通过短暂简单的电击缓解心的纤颤，并使其恢复正常的心跳的一种带电装置
