英语语法分析

Xu Ruiyang, an 18-year-old student from Kunming, has suffered from spina muscular atrophy since she was 2 years old.

徐瑞阳是一个来自昆明的18岁学生，他从两岁时就遭受脊柱肌肉萎缩。

Folic acid helps prevent neural tube birth defects such as spina bifida.

叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生。

But he had spina bifida; this time, she could not go straight back to work.

但是汤姆患了脊柱裂，所以她又不能出去工作了。