4 sentences

1. 低重力对脊椎很有好处。

   dī​zhòng​lì duì jǐ​zhuī hěn yǒu hǎo​chu.

   Low gravity is great for the spine.

   Source: OpenSubtitles

2. 他在事故中伤到了脊椎，导致下体完全瘫痪。

   tā zài shì​gù zhōng shāng dào le jǐ​zhuī, dǎo​zhì xià​tǐ wán​quán tān​huàn.

   He injured his spine in the accident, resulting in complete paralysis of his lower body.

   Source: Dong Chinese Dictionary

3. 长期保持不正确的坐姿，会对脊椎造成很大的伤害。

   cháng​qī bǎo​chí bù zhèng​què de zuò​zī, huì duì jǐ​zhuī zào​chéng hěn dà de shāng​hài.

   Maintaining poor posture for a long time can cause significant damage to the spine.

   Source: Dong Chinese Dictionary

4. 医生检查了他受损的那节脊椎。

   yī​shēng jiǎn​chá le tā shòu​sǔn de nà jié jǐ​zhuī.

   The doctor examined his damaged vertebra.

   Source: Dong Chinese Dictionary