hemoptysis

例句：

1. 1.He had a severe cough and was taken to the hospital for hemoptysis treatment.
   他咳嗽严重，被送往医院治疗咯血。
2. 2. The patient had been experiencing hemoptysis for several weeks without seeking medical attention.
   病人已经连续几周出现咯血症状，但未寻求医疗帮助。
3. 3.Hemoptysis is a serious condition that requires immediate medical attention.
   咯血是一种严重的状况，需要立即就医。