pacemaker
n
(a) (also `pace-setter) runner, rider or driver in a race who moves at a (usu fast) speed which others try to follow (速度賽中)定速度者(使其他參賽者跟從)
(fig 比喻) That firm was the pace-setter in car design for many years, ie introduced new ideas which were copied by others. 那家公司在汽車設計上多年來一直領先.
(b) electronic device placed on the heart to make weak or irregular heartbeats stronger or more regular (心臟)起搏器.
?? 醫學釋義
心臟起搏器,心律器
??? 情景例句
She sure keeps busy.
她真的是忙個不停。
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