蓑衣草

例句：

1. 1.The herb is used to treat various ailments, such as fever and cough.
   这种草药用于治疗各种疾病，如发烧和咳嗽。
2. 2. The local people use it for its medicinal properties in their traditional medicine.
   当地人使用它作为传统医学的药用特性。
3. 3. In ancient times, it was often used as a symbol of good luck and prosperity.
   在古代，它常常被用作好运和繁荣的象征。