zhè / kuài / jǐ / gǔ / de / jié / gòu / hěn / jiān / gù / néng / gòu / zhī / chēng / zhěng / gè / shēn / tǐ

这块脊骨的结构很坚固，能够支撑整个身体。

This backbone structure is very sturdy and can support the entire body.