pacemaker

/ˈpeɪsˌmeɪ.kɚ/

名词

领跑人，领跑动物；带头人，标兵
心脏起搏器
After having a pacemaker implanted, the patient noticed a significant improvement in their heart's rhythm and overall health.
在植入心脏起搏器后，患者注意到心脏节律和整体健康有显著改善。