pacemaker編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看pacemakerpacemaker — 名詞名詞1. a small device placed in the chest to control the heartbeat1.名詞釋義心律調節器a small device placed in the chest to control the heartbeat例句The doctor implanted a pacemaker to regulate his heart rhythm.