pacemaker
US /ˈpeɪsˌmeɪ.kɚ/
UK /ˈpeɪsˌmeɪ.kɚ/
1.
心脏起搏器, 起搏器
an artificial device for stimulating the heart muscle and regulating its contractions
:
•
The patient had a pacemaker implanted to regulate his heartbeat.
患者植入了心脏起搏器以调节心跳。
•
Modern pacemakers are very small and efficient.
现代心脏起搏器非常小巧高效。
2.
领跑者, 配速员
a person or animal that sets the pace in a race or competition
:
•
The rabbit was the pacemaker for the first half of the race.
兔子是比赛前半段的领跑者。
•
She acted as a pacemaker for her friend in the marathon.
她在马拉松比赛中担任朋友的领跑员。