heartbeat

US /ˈhɑːrt.biːt/
UK /ˈhɑːrt.biːt/
"heartbeat" picture
1.

心跳, 心搏

a pulsation of the heart, especially as detected at the wrist or neck

:
The doctor listened to her heartbeat with a stethoscope.
医生用听诊器听她的心跳
I could feel my own heartbeat in my ears.
我能感觉到自己的心跳在耳边。
2.

核心, 精髓, 命脉

the essential or most vital part of something

:
Innovation is the heartbeat of our company.
创新是我们公司的核心
The community center is the heartbeat of the neighborhood.
社区中心是这个街区的核心