地下茎的英文：
rhizoma
rhizome

The aromatic, underground stem of the sweet flag, yielding an oil used in perfumery.
菖蒲根甜菖蒲的芳香的地下茎，可产生一种用于香水之中的油

A Eurasian perennial herb(Polygonum bistorta)having cylindrical spikes of usually pink flowers and a rhizome used as an astringent in folk medicine.
拳参一种欧亚产多年生草本植物圆穗蓼，通长生有圆柱形穗状花序的粉色花朵和民间医学中用于止血药的根茎

A medicinal preparation made from the dried roots and rhizomes of this shrub that is used to induce vomiting, particularly in cases of poisoning and drug overdose.
吐根制剂用这种灌木干制的根和根茎制的药剂，用来引发呕吐，特别用在中毒和用药过量的情况中

A starch obtained from the rhizomes of a tropical American perennial herb(Maranta arundinacea.It is used especially in cooking as a thickener.
竹芋粉，芡粉从一种多年生美洲热带草本植物(竹芋属芦竹)的根茎中提取的淀粉，尤其在烹调时用作勾芡

A low - growing tropical American shrub(Cephaelis ipecacuanha)having roots and rhizomes that yield emetine.
吐根一种低矮的热带美洲灌木(吐根九头节属)，其根基和根能生产依米丁

"a similar underground stem or root, such as a corm, rhizome, or tuber."
球茎:一个类似的位于地下的茎或根,如球茎、块茎或球根。