cardioprotectant

例句：

1. 1.The new drug is a cardioprotectant that can prevent heart disease.
   这种新药是一种心脏保护剂，可以预防心脏病。
2. 2.The patient was given a cardioprotectant to help protect his heart.
   病人被给予一种心脏保护剂来帮助保护他的心脏。
3. 3.Cardioprotectants are used to treat conditions like high blood pressure and heart failure.
   心脏保护剂用于治疗高血压和心脏病等病症。