pace-maker

英 ['peɪsiːm'eɪkər] 美 ['peɪsiːm'eɪkər]

• n. 领步人

英英释义

名词 pacemaker:

1. a leading instance in its field

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