sphacelate

例句：

1. 1. The doctor prescribed a medication to help dissolve the sphacelate in his kidneys.
   医生开了一种药物来帮助溶解他肾脏里的结石。
2. 2.The patient had to undergo surgery to remove the sphacelate from his gallbladder.
   患者不得不接受手术，将胆囊里的结石取出。
3. 3. The research team found that the sphacelate was causing severe pain and discomfort.
   研究小组发现结石引起了严重的疼痛和不适。