heart beat

基本解释

They were even able to use the machine to monitor the baby's heart beat.
他们甚至可以用这个仪器来监测婴儿的心搏。
His heart beat with eager anticipation, then stopped with a sinking thud. Not Ingrid, but her older sister Marta, stepped down from the train.
他的心嘭嘭作响满怀期盼.但是又猛的一沉.从火车上走下来的人不是英格丽德而是她的姐姐玛尔塔.
The survey, undertaken by AQA exam board, found that on average the most successful pupils' heart beat reached a level that was 23.9 beats per minute (bpm) faster than normal.
这项由英国资格评估与认证联合会考试局发起的调查表明，最为优秀的学生每分钟心搏平均23.9次，高出正常水平。

But,for many minutes, the heart beat on with a quiet sound.
While they're sitting there thinking about painful shock it's making their heart beat faster, it's making their palms sweat, it's making them breathe harder maybe.
因为在等待痛击实验时,他们的心跳加速，手心冒汗，可能呼吸开始急促。
耶鲁公开课 - 心理学导论课程节选
Your heart starts to beat a little faster, your blood starts flowing quicker, and your breath gets shorter.
你的心跳加速，血脉贲张，呼吸也急促起来。
I'm ~ing 课堂 - SpeakingMax英语口语达人

Things may look fine now, but just wait, they will turn on you in a heart beat.
FORBES: Reinhart and Rogoff; and The Dangers of Tipping Points, Real and Otherwise

Your heartbeat is the regular movement of your heart as it pumps blood around your body.