pacemaker

名词 pacemaker:

1. a leading instance in its field
   同义词：pacesetter
2. a specialized bit of heart tissue that controls the heartbeat
   同义词：cardiac pacemaker, sinoatrial node, SA node
3. an implanted electronic device that takes over the function of the natural cardiac pacemaker
   同义词：artificial pacemaker
4. a horse used to set the pace in racing
   同义词：pacer, pacesetter

1. Implant a pacemaker; implant a drug capsule.
   植入一个起搏器; 植入一个药物胶囊

pace.mak.er

n.（名词）
Sports One who sets the pace in a race.Also called pacer ,pacesetter
【体育运动】 定步速者：在比赛中定步速的人也作 pacer,pacesetter
A leader in a field:
带头人：一个领域中带头的人：
例句：
the fashion house that is the pacemaker.Also called pacesetter
起带头作用的时装屋也作 pacesetter

Biology A part of the body, such as the mass of muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity.
【生物学】 起搏点：身体的一部分，如窦房结的肌肉组织纤维团，用来确定生理活动的速度或节奏
Medicine Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle.
【医学】 心脏起搏器：任一种通常微型化的外科移植电子装置，用来刺激或调整心脏肌肉的收缩
Biochemistry A substance that regulates a series of related reactions.
【生物化学】 定调质：调整一系列有关反应的一种物质

【引伸】
pace.mak.ing
adj.（形容词）
n.（名词）