heart-failure cells

例句：

1. 1. Heart failure is a common cause of death in the elderly.
   心力衰竭是老年人常见的死亡原因。
2. 2. The study found that heart failure can be prevented by regular exercise.
   研究发现，通过规律锻炼可以预防心力衰竭。
3. 3.The patient's heart failure was due to a genetic disorder.
   患者的心力衰竭是由于一种遗传性疾病引起的。