yerba

例句：

1. 1. The yerba mate plant is a popular ingredient in many traditional beverages.
   茶树是许多传统饮料中常用的成分。
2. 2.Tea is made from the leaves of this yerba plant.
   茶是由这种茶树的叶子制成的。
3. 3.The yerba mate plant has been used for centuries as a medicinal herb.
   这种茶树植物被用作数百年的药用植物。