prosthetic valve

例句：

1. 1.The prosthetic valve was designed to replace the damaged heart valve.
   人工心脏瓣膜被设计来替代受损的心脏瓣膜。
2. 2. The patient underwent surgery to replace the prosthetic valve with a natural one.
   患者接受了手术，将人工心脏瓣膜替换为自然瓣膜。
3. 3. The prosthetic valve is an important part of heart surgery.
   人工心脏瓣膜是心脏手术的重要组成部分。