鸭跖草

例句：

1. 1. The wildflowers in the meadow are a sight to behold.
   草地上的野花是一道美丽的风景。
2. 2. The herb has been used for medicinal purposes for centuries.
   这种草药自古以来就被用于医疗目的。
3. 3. The plant is known for its ability to purify the air and water.
   这种植物因其净化空气和水源的能力而闻名。