pacemaker
n. 带头人；〈医〉心脏起搏器；定步速者
形容词：pacemaking
近义词：leader，pacesetter，pacer，innovator，trendsetter，leadinglight，pioneer，cardiacpacemaker，artificialpacemaker，sinoatrialnode，SAnode，
英英释义
Noun
- a leading instance in its field;
"the new policy will be a pacesetter in community relations"
- a specialized bit of heart tissue that controls the heartbeat
- an implanted electronic device that takes over the function of the natural cardiac pacemaker
- a horse used to set the pace in racing
例句
用作名词(n.)
- The use of powerful cardiac pacemaker patients saves lives.使用威力强大的心脏起搏器能救活病人。
- He assumed a heart pacemaker was made by medical people.他以为心脏起搏器是医务人员制作的。
- Mr. Brown has been wearing a pacemaker for the last eight years.布朗先生在过去8年里一直戴着起搏器。