Its position at the heart of europe has meant that austria has always been a junction for communications between the continent's main economic and cultural centres . 奥地利处于欧洲心脏的地位意味着它历来是该大陆各大经济中心和文化中心的联络枢纽。
In 1966 came the design of the "demand pacemaker" -a device which would judge the heart's needs and work accordingly, without and conscious help from the patient . 在1966年，出现了一种“应需心博器”--这是一种能判断心脏的需要而相应地进行工作的心博器，而不需患者有意识的控制。
The ventricles make up the greater part of the heart 两个心室占心脏的大部分。
The entricles make up the greater part of the heart 两个心室占心脏的大部分。
Our heart bumps the blood to our vessles 众所周知，心脏的功能是将血液输送的血管里。
Some medicines depress the action of the heart 有些药物会减弱心脏的功能。
Graded control system of total artificial heart 全人工心脏的分级控制系统
The function of the heart is to pump blood through the body 心脏的功能是把血液输往全身
Exercising every day strengthens the heart 每天锻炼可以提高心脏的功能。
Place your hand over your chest and feel your heartbeat 把手放在胸口，感受心脏的跳动。
