middle pain

例句：

1. 1.She felt a sharp pain in her middle as she sat down.
   她坐下时感到一阵剧烈的疼痛。
2. 2.The patient was experiencing a lot of middle pain during the operation.
   病人在手术过程中经历了很多中间疼痛。
3. 3. He complained about the constant middle pain he was experiencing.
   他抱怨说他一直遭受着持续的中间疼痛。