pacemaker

pacemaker
noun

a runner or competitor who sets the pace at the beginning of a race or competition, sometimes in order to help another runner break a record
（在赛跑或竞赛开始阶段）定速度的人；领跑者
■a person viewed as taking the lead or setting standards of achievement for others
带头人；标兵
an artificial device for stimulating the heart muscle and regulating its contractions
起搏器
■the part of the heart muscle (the sino-atrial node) which normally performs this role
起搏点，起步点
■the part of an organ or of the body which controls any other rhythmic physiological activity
（控制人体生理活动节奏的）节律器

派生
pacemaking
( & )
adjective& noun

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