sour pain

例句：

1. 1. She wasin a sour pain after the surgery.
   手术后她感到了酸味的疼痛。
2. 2.The sour pain made him want to cry.
   那种酸味的疼痛让他想哭。
3. 3.He felt a sour pain in his stomach.
   他的胃感到了酸味的疼痛。