1.The idea is to maintain the regularity of the heartbeat.

1.问题就是要维持心跳的规律。

2.He was rigged up to a machine so that the nurses could check his heartbeat.

2.上接机器让护士检查心跳。

3.Her heart beat violently when she received the letter.

3.接到这封信,她的心跳得很厉害。

4.This instrument monitors the patient's heartbeats.

4.这台仪器监听病人的心跳。

5.The animal uttered a series of low cries that seemed synchronous with its heartbeat.

5.这只野兽发出一串似乎与它的心跳频率一致的低吼声。

6.Her heart leaps up.

6.她的心跳加快。

7.My heart beats high.

7.我的心跳得厉害。

8.A electrocardiogram records the heartbeat.

8.心电图上标明心跳次数。

9.He stopped short, that fluttery feeling he always got when he thought of Victoire Weasley cutting him off.

9.唐突地停，当想起维多利亚?韦斯莱就总会有的那种心跳的感觉打断。

10.The cocktail used generally contains sodium thiopental (to anaesthetise the condemned man), pancuronium bromide (to paralyse his muscles) and potassium chloride (to stop his heart).

10.一般注射用的混合针剂含有硫喷妥钠（麻醉犯人），泮库溴铵（麻痹犯人肌肉）和氯化钾（停止犯人心跳）。