idiopathic pulmonary hemosiderosis

例句：

1. 1.The patient had an idiopathic cough for several weeks.
   这名患者咳嗽了几周，没有具体原因。
2. 2. The researcher found that the idiopathic disease was caused by a genetic mutation.
   研究者发现这种无特定原因的疾病是由基因突变引起的。
3. 3. The idiopathic condition is often misdiagnosed as a more serious illness.
   这种无特定原因的状况常常被误诊为更严重的疾病。