二尖瓣

例句：

1. 1. The doctor advised her to restfor a few days after the operation.
   医生建议她在手术后休息几天。
2. 2. Thepatient was diagnosed with mitral valve disease.
   病人被诊断出患有二尖瓣疾病。
3. 3. Thesurgery was successful, and the patient recoveredquickly.
   手术很成功，病人恢复得很快。