valvular exclusion

例句：

1. 1.The valves in the heart are responsible for allowing blood to flow freely through the body.
   心脏中的瓣膜负责让血液自由地通过身体。
2. 2. During surgery, surgeons must carefully remove the valves from the patient's heart.
   在手术中，外科医生必须小心地从病人的心脏中取出瓣膜。
3. 3. The doctor advised against using any medication that could potentially cause valvular damage.
   医生建议避免使用任何可能引起瓣膜损伤的药物。