pacemaker
柯林斯词典
1. N-COUNT A pacemaker is a device that is placed inside someone's body in order to help their heart beat in the right way. 心脏起搏器
She was fitted with a pacemaker after suffering serious heart trouble. 她在心脏出了严重问题后装上了心脏起搏器。
2. N-COUNT A pacemaker is a competitor in a race whose task is to start the race very quickly in order to help the other runners achieve a very fast time. Pacemakers usually stop before the race is finished. 领跑员
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pacemaker /ˈpeɪsˌmeɪkə/ (pacemakers)
剑桥词典
pacemaker noun [C] (RUNNER)
(also pacesetter, ukYour browser doesn't support HTML5 audio
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the person or animal that establishes the speed in a race , or a person or organization that is an example for others by being successful
领跑人，领跑动物；带头人，标兵
pacemaker noun [C] (DEVICE)
a small device that is put inside someone's chest in order to help the heart beat at the correct speed
心脏起搏器 返回 pacemaker