flat pelvis

• 扁骨盆,扁平骨盆

flat pelvis的用法和样例：

例句

1. His son suffered from a fractured pelvis.
   他儿子出现骨盆骨折。
2. My pelvis would hurt at night when I slept on my stomach.
   我夜里睡觉的时候如果俯卧的话，骨盆就会痛。