腰骨的英文怎么说

腰骨的英文：
pelvic bone

These bones are for the sick.
这些肉骨头是给病人的。

The trade union was bone of the bone and flesh of the flesh of the workers.
该工会与工人是血肉相连的。

scratch up a bone
扒出一根骨头

The dog made a snap at the bone.
狗猛咬骨头。

This bone is articulated with another.
这根骨与另一根骨相连。