heartbeat

Từ điển Oxford Advanced Learner 8th

heart·beat [heartbeat heartbeats] BrE [ˈhɑːtbiːt] NAmE [ˈhɑːrtbiːt] noun
1. countable, uncountable the movement or sound of the heart as it sends blood around the body
•a rapid/regular heartbeat
2. singular the ~ of sth (NAmE)an important feature of sth, that is responsible for making it what it is
•The candidate said that he understood the heartbeat of the Hispanic community in California.
Idioms: ↑heartbeat away ▪ ↑in a heartbeat

Example Bank:
•She was suddenly aware of her racing heartbeat.
•The first track on the album begins with the sound of a heartbeat.

• Từ đồng nghĩa / Synonyms:
  pulse, pulsation, beat