“中柱”的英语？

“中柱”的拼音为：zhōng zhù...

茎状中柱的髓显得颇强健,像厚角组织.The pith of this stemlike stele appears rather strongly like collenchyma tissue.围绕中柱的是中柱鞘.Surrounding the central cylinder is the pericycle.中柱包括从原形成层衍生而来的全部初生组织,由中柱鞘 、 韧质部和木质部组成.The stele includes all p...