purple betony

例句：

1. 1. The purple betony flowers are a symbol of purity and innocence.
   紫萝勒花是纯洁和纯真的象征。
2. 2. Purple betony is used to treat digestive issues and aid in digestion.
   紫萝勒用于治疗消化问题，有助于消化。
3. 3. In traditional medicine, the leaves of purple betony are used to treat fevers and inflammations.
   在传统医学中，紫萝勒的叶子被用来治疗发热和炎症。