threeleaf toadflax

例句：

1. 1.The threeleaf toadflax is a common weed in many gardens.
   三叶草是许多花园中的常见杂草。
2. 2.Threeleaf toadflax has been used for medicinal purposes in traditional medicine.
   三叶草在传统医学中被用于药用。
3. 3.In the spring, you can find threeleaf toadflax growing in fields and meadows.
   春天时，你可以在田野和草地上找到三叶草生长。