rhizoma

例句：

1. 1. The rhizome of the plant is used in traditional medicine.
   这种植物的根茎在传统医学中被使用。
2. 2. The rhizome of the plant has been shown to have medicinal properties.
   这种植物的根已被证明具有药用性质。
3. 3. The rhizome of the plant is often used as a flavoring agent.
   这种植物的根经常被用作调味剂。