趣英语 / 查找:pacemaker” [共找到1条结果]
  • pacemaker造句

    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?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。Seen here is the explanted heart. Pacemak...