骨盘

例句：

1. 1. He had to have his pelvis reconstructed after the accident.
   他在事故后不得不重建了骨盆。
2. 2. The doctor performed a procedure to remove the tumor from her pelvis.
   医生进行了一个手术，将肿瘤从她的骨盆中取出。
3. 3. She was diagnosed with a condition that affects the pelvis and can cause pain in the lowerback.
   她被诊断出患有一种影响骨盆并可能导致下背部疼痛的状况。