脊柱后凸，驼背脊椎不正常地向后弯曲，导致。

Abnormal rearward curvature of the spine, resulting in protuberance of the upper back; hunchback.

youdao

脊柱后凸，驼背脊椎不正常地向后弯曲，导致。

Abnormal rearward curvature of the spine, resulting in protuberance of the upper back; hunchback.

youdao