心痛的英文单词怎么写

　　We shall now consider pertinent information on recent developments in cardiac electrophysiology.

　　我们在下面将讨论心肌电生理学最近发展的有关资料。

　　A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point.

　　此处有一肌肉环即贲门括约肌围绕着食道。

　　The Study of Cardiac Reserve Monitoring System Based on Telephone Network

　　基于电话网络的心脏储备监测仪的研究

　　Design and application of new indicators of cardiac reserve evaluation system based on heart sound

　　基于心音的心脏储备新指标评价系统的设计与实现