pacemaker

US /ˈpeɪsˌmeɪ.kɚ/
UK /ˈpeɪsˌmeɪ.kɚ/
"pacemaker" picture
1.

心臟起搏器, 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.
患者植入了心臟起搏器以調節心跳。
Modern pacemakers are very small and efficient.
現代心臟起搏器非常小巧高效。
2.

領跑者, 配速員

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.
兔子是比賽前半段的領跑者
She acted as a pacemaker for her friend in the marathon.
她在馬拉松比賽中擔任朋友的領跑員