基本解释n.急速不规则的跳动；心悸；颤动同根派生 英汉例句用作名词 (n.)Her symptoms included chest pain and heart palpitations.她的症状包括胸痛和心悸。I began to feel dizzy and then I got palpitations and felt limb.我起初感觉眩晕，然后心悸虚弱无力。