cardiac massage

例句：

1. 1. The heart is the organ responsible for pumping blood throughout the body.
   心脏是负责将血液泵遍全身的器官。
2. 2. Cardiologists specialize in treating heart diseases.
   心脏病学家专门治疗心脏病。
3. 3. The patient's heart rate was elevated during the test.
   患者在测试期间心率升高。