n.领跑者,带头人,标兵,起搏器
She was fitted with a pacemaker after suffering serious heart trouble.
她患上严重的心脏病后安装了心脏起搏器。
Bradycardia, if persistent, should be controlled by the insertion of a pacemaker as soon as possible.
如果持续出现心动过缓, 应尽快使用起搏器.
Won't i need a pacemaker or a permanent internal defibrillator?
我不需要个心脏起博器或是内部的永久去纤颤器?