He took the mulled cider, then sat on one of the couches, his heart still beating rapidly.

他拿了杯温热苹果酒，然后坐在一张长沙发上，他的心脏依旧跳得厉害。

youdao

Is his heart still beating?

他的心脏还在跳动吗？

youdao

She's alive—her heart is still beating.

她没死—她的心脏还在跳动。

《牛津词典》

Their heart's still beating, the lungs are still breathing and so forth.

心脏仍然在跳动，肺依然能呼吸。

耶鲁公开课 - 死亡课程节选

Most organs are donated from a patient who has been declared brain stem dead, but whose heart is still beating.

BBC: New powers call for donor cards