首页英语词典pacemakerpacemaker英英释意

pacemaker

英 ['peɪsmeɪkə] 美['pesmekɚ]
  • n. [基医] 起搏器;领跑者;标兵

英英释意


1. a leading instance in its field;
"the new policy will be a pacesetter in community relations"
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