pace-maker

英['peɪsiːm'eɪkər] 美['peɪsiːm'eɪkər]
  • n.领步人
  • counter n.柜台;筹码;计数器;反驳adj.相反的adv.与…相反地v.反对;反击
  • pace n.速度;步伐;(一)步v.踱步;(用步)测;(马)溜蹄走prep.用在人名前(礼貌的表达不同意见)
名词 pacemaker:
  1. a leading instance in its field

  2. a specialized bit of heart tissue that controls the heartbeat

  3. an implanted electronic device that takes over the function of the natural cardiac pacemaker

  4. a horse used to set the pace in racing