pace-maker
英['peɪsiːm'eɪkər]
美['peɪsiːm'eɪkər]
- n.领步人
详细释义
名词 pacemaker:
-
a leading instance in its field
-
a specialized bit of heart tissue that controls the heartbeat
-
an implanted electronic device that takes over the function of the natural cardiac pacemaker
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a horse used to set the pace in racing
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