蝴蝶骨

例句：

1. 1. The doctor explained the cause of her pain in detail, including the location of the butterflybone.
   医生详细解释了她疼痛的原因，包括蝴蝶骨的位置。
2. 2. During the surgery, the surgeon carefully removed the butterfly bone to relieve her pain.
   在手术过程中，外科医生小心翼翼地切除了蝴蝶骨以缓解她的疼痛。
3. 3. After the operation, she was able to move around more freely and felt much better.
   手术后，她能够更自由地移动，感觉好多了。