eupatorium

例句：

1. 1. The vibrant purple of the eupatorium flowers is a sight to behold.
   紫罗兰花鲜艳的紫色令人赞叹。
2. 2. In the garden, the eupatorium blooms in the spring, adding a pop of color to the landscape.
   在花园里，紫罗兰在春天盛开，为景观增添了一抹色彩。
3. 3. The eupatorium was planted as a medicinal herb and has been used for centuries.
   紫罗兰被种植作为药用植物，并被使用了几个世纪。