And is the strongest weight bearing bone.

并且是最强壮的承重骨。

In the case of the latter, it's why people often feel stiffness and pain in their " weight bearing" joints, such as the knees and hips.

这就是为什么人们的“负重”关节（如膝盖和髋关节）经常感到僵硬和疼痛的原因。