pineappleweed

例句：

1. 1.The pineapple weed is a common plant in the forest.
   菠萝草是森林中的常见植物。
2. 2.The pineapple weed has been used for centuries as a natural remedy.
   菠萝草自古以来就被用作天然疗法。
3. 3.The pineapple weed is also known for its medicinal properties.
   菠萝草也以其药用性质而闻名。