If you place your hand on your heart, you will feel your heart beating which forces blood to move around your body.

如果你把手放在心脏的部位，你会感觉到你的心跳，它迫使血液在你全身流动。

youdao

I felt my heart beating faster.

我感觉心脏跳得更快了。

《柯林斯英汉双解大词典》

"It's nearer than it was," said Mary, her heart beating rather faster.

“比以前近了。”玛丽说，她的心跳得更快了。

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Austin Sergeev was even younger- only 11 when his heart stopped beating.

VOA: standard.2009.12.12

All that followed a warning to doctors on Feb. 10 that some 87, 000 life-saving heart devices-mostly implantable cardioverter defibrillators, or ICDs, which use batteries to shock an abnormally beating heart back into rhythm-were at risk of losing power without warning.

FORBES: Magazine Article

All that followed a warning to doctors on Feb. 10 that some 87, 000 lifesaving heart devices--mostly implantable cardioverter defibrillators, or ICDs, which use batteries to shock an abnormally beating heart back into rhythm--were at risk of losing power without warning.

FORBES: Magazine Article

In a notable success, Asashima created a test-tube heart - and kept it beating for one month.

CNN: GROWN TO ORDER